The Age of Baptism: What the Text Says About the Lower Limit

The question and the thesis

Two readings of the New Testament evidence divide sharply over the lower limit of baptism. One reading argues that baptism extends to the infant children of believers on covenantal grounds, treating it as the New Testament successor to circumcision; the other reserves baptism for those who can credibly confess faith. Each reading has its preferred proof-texts. What has rarely been done is to lay the entire body of New Testament baptism evidence side by side and let the grammar set the thesis.

That is the task of this study. The contested question is not the upper limit of baptism. No one disputes that adults are baptized in the New Testament, and no one names an upper age beyond which baptism becomes inappropriate. The contested question is the lower limit. At what point in a person's development does the New Testament authorize the rite?

The answer the text gives is not a number. The text names no age — not eight days, not eight years, not twelve, not twenty. What the text names is a capacity. Every recorded New Testament baptism narrative places at least one explicit prerequisite before the water: hearing (ἀκούω, akouō, G191), believing (πιστεύω, pisteuō, G4100), repenting (μετανοέω, metanoeō, G3340), confessing (ἐξομολογέω, exomologeō, G1843; ὁμολογέω, homologeō, G3670), or being discipled (μαθητεύω, mathēteuō, G3100). The foundational pattern statement is Peter at Pentecost:

μετανοήσατε, καὶ βαπτισθήτω ἕκαστος ὑμῶν ἐπὶ τῷ ὀνόματι Ἰησοῦ Χριστοῦ εἰς ἄφεσιν τῶν ἁμαρτιῶν ὑμῶν, καὶ λήμψεσθε τὴν δωρεὰν τοῦ ἁγίου πνεύματος.

"Repent, and let each one of you be baptized in the name of Jesus Christ for the forgiveness of your sins, and you will receive the gift of the Holy Spirit." (Acts 2:38)

The aorist active imperative μετανοήσατε ("repent") stands first; the aorist passive imperative βαπτισθήτω ("let be baptized") follows. Between them stands ἕκαστος ὑμῶν (G1538) — "each one of you," singular and individualizing. The grammar does not authorize a sweep; it authorizes a turning.

Part 1 of this series settled what baptism is and how it is performed — full-body immersion, the Hebrew vocabulary of dipping versus sprinkling, the eschatological frame Ezekiel 36:25–27 supplies for the New Testament rite. This study assumes that work and asks the next question: who is the rite for?

The thesis is this: the New Testament authorizes baptism for any person — of whatever age — who can credibly hear, believe, repent, confess, and appeal. It does not authorize baptism for a person who cannot yet do those things. The Old Testament itself supplies the canonical vocabulary for the threshold below which moral discernment is not yet present (Deuteronomy 1:39; Isaiah 7:15–16; Jonah 4:11), and the New Testament re-states the threshold in Greek (Hebrews 5:13–14). Below that threshold, the rite would be performed on a candidate the text never describes.

What follows is the evidence.

What Part 1 settled

Part 1 of this series, Baptism: What the Text Says, did the lexical groundwork. Four Hebrew verbs are translated "wash" or "dip" in English Bibles but mean distinct physical actions in the original. טָבַל (ṭāval, H2881) is dipping — immersion of an object into a liquid. רָחַץ (rāḥaṣ, H7364) is washing of the body. זָרַק (zāraq, H2236) is sprinkling — the throwing of blood or water in a controlled scatter. כָּבַס (kāvas, H3526) is laundering — the washing of garments. The Septuagint translates טָבַל at 2 Kings 5:14, where Naaman dips seven times in the Jordan, with βαπτίζω (baptizō, G907) — the same verb the New Testament uses for the rite. The vocabulary is settled by usage, not by ecclesial preference: βαπτίζω is full-body immersion.

Ezekiel 36:25–27 supplies the eschatological pattern the New Testament receives — sprinkling with clean water, the giving of a new heart, the placing of the Spirit within. Part 1 traced the dip → sprinkle → clean sequence and showed how the New Testament rite stands at the intersection of these gestures. That work is complete. This study takes it as given.

The question now is not what baptism is or how it is performed, but who receives it.

The prerequisite pattern across every NT baptism

The clearest way to settle a contested question is to lay the evidence in canonical order and let the cases speak. The major NT baptism passages — a mix of named-individual narratives, group narratives, dominical commands, and apostolic summaries — number eleven in this section. In every one of them, the text states or unmistakably implies at least one prerequisite before the water. The prerequisites vary; the direction never does. Hear, believe, repent, confess, be discipled, then be baptized. The reverse — baptism producing belief, repentance, or confession — appears nowhere.

The table below summarizes the prerequisite verbs across the major passages; the verse-by-verse walkthrough that follows shows the grammar.

1. Matthew 28:18–20 — the Great Commission. Jesus's final instruction to the disciples is grammatically precise:

Πορευθέντες οὖν μαθητεύσατε πάντα τὰ ἔθνη, βαπτίζοντες αὐτοὺς εἰς τὸ ὄνομα τοῦ πατρὸς καὶ τοῦ υἱοῦ καὶ τοῦ ἁγίου πνεύματος, διδάσκοντες αὐτοὺς τηρεῖν πάντα ὅσα ἐνετειλάμην ὑμῖν.

"Therefore go and make disciples of all nations, baptizing them in the name of the Father and of the Son and of the Holy Spirit, and teaching them to observe all that I have commanded you." (Matthew 28:19–20)

The main verb is μαθητεύσατε (mathēteusate) — aorist active imperative, "make disciples." It is the command. The two participles that follow, βαπτίζοντες ("baptizing") and διδάσκοντες ("teaching"), are present active participles attendant to that command. Greek grammar binds them: the participles describe how the disciple-making happens. Disciple → baptize → teach to observe. The Strong's data on μαθητεύω (G3100) reinforces the structure: the verb occurs only four times in the New Testament (Matthew 13:52; 27:57; 28:19; Acts 14:21), and in every other instance describes a person who has consciously received instruction. Joseph of Arimathea is ἐμαθητεύθη — "was discipled" — to Jesus (Matthew 27:57). The scribe "discipled to the kingdom" is one who has learned (Matthew 13:52). At Derbe, Paul and Barnabas "made many disciples" (μαθητεύσαντες ἱκανούς, Acts 14:21) — adults who had heard their preaching. The vocabulary excludes the pre-cognitive subject.

2. Mark 16:16 — belief and baptism conjoined.

ὁ πιστεύσας καὶ βαπτισθεὶς σωθήσεται, ὁ δὲ ἀπιστήσας κατακριθήσεται.

"The one who has believed and been baptized will be saved; the one who has not believed will be condemned." (Mark 16:16)

The textual status of Mark's longer ending is contested, but it is an early witness to apostolic practice — quoted as Markan by Irenaeus around AD 180 (Against Heresies 3.10.5), placing it within the second century at the latest. The grammar matters either way. πιστεύσας is aorist active participle, masculine singular nominative — a completed prior act of believing. βαπτισθεὶς is aorist passive participle. Both participles share their subject and stand in the same clause. The condemnation clause names only the failure to believe (ἀπιστήσας), not the failure to be baptized — implying that the believing is the load-bearing prerequisite.

3. Matthew 3:6 / Mark 1:5 — John's baptism with confession.

καὶ ἐβαπτίζοντο ἐν τῷ Ἰορδάνῃ ποταμῷ ὑπ᾽ αὐτοῦ ἐξομολογούμενοι τὰς ἁμαρτίας αὐτῶν.

"And they were baptized by him in the Jordan river, confessing their sins." (Matthew 3:6)

The participle ἐξομολογούμενοι (G1843) is present middle — confessing, in the act, by the subjects themselves. Across the entire New Testament βαπτίζω (G907) co-occurs in the same verse with ἐξομολογέω in exactly two places: this verse and its Markan parallel (Mark 1:5). Both are scenes of conscious adult confession. The earliest recorded mass baptisms in the canon happen with verbal confession on the candidates' lips.

4. Acts 2:14–41 — Pentecost. Peter's sermon is the canon's first apostolic baptism instruction, and we have already quoted its load-bearing verse (Acts 2:38). The pattern is reinforced in v. 41:

οἱ μὲν οὖν ἀποδεξάμενοι τὸν λόγον αὐτοῦ ἐβαπτίσθησαν, καὶ προσετέθησαν ἐν τῇ ἡμέρᾳ ἐκείνῃ ψυχαὶ ὡσεὶ τρισχίλιαι.

"Those who received his word were baptized, and there were added that day about three thousand souls." (Acts 2:41)

The aorist participle ἀποδεξάμενοι ("having received") precedes the aorist passive ἐβαπτίσθησαν. The reception of the word is grammatically prior to the baptism. Acts 2:38 is moreover the only verse in the entire New Testament where βαπτίζω (G907) co-occurs with μετανοέω (G3340) in a single verse — and the order there is identical: repent, then be baptized.

5. Acts 8:9–13 — the Samaritans.

ὅτε δὲ ἐπίστευσαν τῷ Φιλίππῳ εὐαγγελιζομένῳ περὶ τῆς βασιλείας τοῦ θεοῦ καὶ τοῦ ὀνόματος Ἰησοῦ Χριστοῦ, ἐβαπτίζοντο ἄνδρες τε καὶ γυναῖκες.

"But when they believed Philip as he preached the good news about the kingdom of God and the name of Jesus Christ, they were baptized, both men and women." (Acts 8:12)

Luke specifies ἄνδρες τε καὶ γυναῖκες — "both men and women" — not children. The argument from silence cuts both ways here; Luke's wording is at least consistent with adult-only baptism, and the prior-belief condition is explicit: when they believed (aorist), they were baptized (imperfect — ongoing administration of the rite).

6. Acts 8:26–39 — the Ethiopian eunuch. An adult court official, riding south, reading Isaiah 53 aloud. Philip catches him mid-passage. The eunuch is the one who initiates the baptism question: "What prevents me from being baptized?" (τί κωλύει με βαπτισθῆναι; Acts 8:36). The volition is his; the confession of faith is his; the chariot stops at his command. The narrative is constructed to show a baptism that requires conscious adult agency at every step.

7. Acts 9 and 22:16 — Saul of Tarsus. Damascus-road encounter; three days fasting; Ananias arrives. Acts 22:16 records Ananias's words to Saul:

καὶ νῦν τί μέλλεις; ἀναστὰς βάπτισαι καὶ ἀπόλουσαι τὰς ἁμαρτίας σου ἐπικαλεσάμενος τὸ ὄνομα αὐτοῦ.

"And now why do you wait? Rise, be baptized and wash away your sins, calling on his name." (Acts 22:16)

The verbs βάπτισαι and ἀπόλουσαι are aorist middle imperatives — the middle voice binds the action to the subject's own participation. Greek middles place the subject as both agent and beneficiary of the verbal action. Saul is not baptized in the passive voice as if the rite were administered to a passive object; the command binds him personally — get up, be baptized, wash away your sins, calling on his name. The grammatical voice is the precise opposite of what we would expect if baptism could be received pre-consciously.

8. Acts 10:44–48 — Cornelius. Peter is preaching when the Holy Spirit falls "on all who were hearing the word" (ἐπὶ πάντας τοὺς ἀκούοντας τὸν λόγον, v. 44). The participle ἀκούοντας is present active — describing those in the act of hearing. Peter's water-criterion follows: "Can anyone withhold water for baptizing these people, who have received the Holy Spirit just as we have?" (v. 47). The order is striking — the Spirit first, water because of the Spirit's prior coming. Cornelius's household is named: συγγενεῖς καὶ ἀναγκαίους φίλους (Acts 10:24) — "relatives and close friends." The vocabulary is of an extended social network summoned to hear a preached word, not the ordinary nuclear-family language.

9. Acts 18:8 — Crispus and the Corinthians.

Κρίσπος δὲ ὁ ἀρχισυνάγωγος ἐπίστευσεν τῷ κυρίῳ σὺν ὅλῳ τῷ οἴκῳ αὐτοῦ, καὶ πολλοὶ τῶν Κορινθίων ἀκούοντες ἐπίστευον καὶ ἐβαπτίζοντο.

"Crispus, the synagogue ruler, believed in the Lord together with his whole household; and many of the Corinthians, hearing, were believing and being baptized." (Acts 18:8)

This is the densest single-verse expression of the full chain in the New Testament. ἀκούοντες (present participle) → ἐπίστευον (imperfect indicative, ongoing believing) → ἐβαπτίζοντο (imperfect passive, ongoing baptizing). Hearing flows into believing flows into being baptized. The verbal tenses paint the sequence in motion.

10. Acts 19:1–7 — the Ephesian disciples. Paul finds twelve men at Ephesus who have received only "John's baptism." They have heard nothing of the Holy Spirit. Paul instructs them; they are rebaptized "in the name of the Lord Jesus" (v. 5). Re-baptism after instruction — the very fact that Paul considers a second baptism appropriate proves the rite is responsive to a candidate's understanding.

11. Ephesians 1:13 — Paul's own summary.

ἐν ᾧ καὶ ὑμεῖς ἀκούσαντες τὸν λόγον τῆς ἀληθείας ... ἐν ᾧ καὶ πιστεύσαντες ἐσφραγίσθητε τῷ πνεύματι τῆς ἐπαγγελίας τῷ ἁγίῳ.

"In him you also, when you heard the word of truth ... and believed in him, were sealed with the promised Holy Spirit." (Ephesians 1:13)

Two aorist participles — ἀκούσαντες ("having heard"), πιστεύσαντες ("having believed") — flank a single aorist passive verb, ἐσφραγίσθητε ("you were sealed"). The chain is Paul's: hearing → believing → being sealed. The same shape as Peter's at Pentecost, the same shape as Luke's at Corinth, the same shape as Jesus's commission.

The lexical convergence is hard to miss. βαπτίζω (G907) co-occurs with πιστεύω (G4100) in five verses — Mark 16:16; Acts 8:12, 8:13; Acts 18:8; Acts 19:4 — and in every one believing precedes or accompanies baptism. The co-occurrence is unidirectional. With μετανοέω, one verse (Acts 2:38) — repentance first. With ἐξομολογέω, two verses (Matthew 3:6; Mark 1:5) — confession during. With μαθητεύω, one verse (Matthew 28:19) — disciple-making as the governing imperative. Eleven major NT baptism passages, eleven prerequisite-then-rite sequences.

The βαπτίζω + infant-vocabulary silence

If the New Testament authorizes baptism for infants, we would expect βαπτίζω (G907) to appear at least once in the same verse with one of the Greek words for an infant or pre-discerning child. The vocabulary is well attested: παιδίον (paidion, G3813) for "little child," βρέφος (brephos, G1025) which spans the unborn child in the womb (Luke 1:41, 44), the newborn (Luke 2:12, 16), and the babe in arms (Luke 18:15; Acts 7:19), and νήπιος (nēpios, G3516) for "infant" or one not yet able to speak. These are not obscure terms; they appear roughly 50, 8, and 15 times respectively in the New Testament. βαπτίζω itself appears 81 times across 66 verses in the New Testament.

The co-occurrence count, in a single verse, across the entire New Testament:

• βαπτίζω (G907) + παιδίον (G3813): 0.
• βαπτίζω (G907) + βρέφος (G1025): 0.
• βαπτίζω (G907) + νήπιος (G3516): 0.

The two halves of the data, side by side:

Panel A — βαπτίζω + child vocabulary (zero everywhere):

Panel B — βαπτίζω + prerequisite verbs (pairs throughout):

This is not because βαπτίζω is shy of pairings. It pairs readily, as the previous section established: with πιστεύω in five verses, with μετανοέω, with ἐξομολογέω, with μαθητεύω, with ἀκούω. The verb does the lexical work of joining itself to the prerequisites the text names. It declines to join itself to the vocabulary of infancy.

The children-blessed pericopes are the closest the New Testament comes to bringing Jesus into proximity with infants — and the texts are precise about what happens.

τότε προσηνέχθησαν αὐτῷ παιδία ἵνα τὰς χεῖρας ἐπιθῇ αὐτοῖς καὶ προσεύξηται.

"Then little children were brought to him that he might lay his hands on them and pray." (Matthew 19:13)

καὶ ἐναγκαλισάμενος αὐτὰ κατευλόγει τιθεὶς τὰς χεῖρας ἐπ᾽ αὐτά.

"And he took them in his arms and blessed them, laying his hands on them." (Mark 10:16)

προσέφερον δὲ αὐτῷ καὶ τὰ βρέφη ἵνα αὐτῶν ἅπτηται.

"Now they were bringing even infants to him that he might touch them." (Luke 18:15)

The verbs are ἐπιθῇ τὰς χεῖρας ("lay hands"), προσεύξηται ("pray"), ἐναγκαλισάμενος ("took in his arms"), κατευλόγει ("blessed earnestly"), ἅπτηται ("touch"). Luke is the only evangelist who uses βρέφη (G1025, "infants") — the youngest term in the spectrum. Even with infants present, the action Jesus performs is blessing, not baptizing. No baptism verb appears in any of the three accounts.

Hebrews makes the threshold explicit:

πᾶς γὰρ ὁ μετέχων γάλακτος ἄπειρος λόγου δικαιοσύνης, νήπιος γάρ ἐστιν· τελείων δέ ἐστιν ἡ στερεὰ τροφή, τῶν διὰ τὴν ἕξιν τὰ αἰσθητήρια γεγυμνασμένα ἐχόντων πρὸς διάκρισιν καλοῦ τε καὶ κακοῦ.

"For everyone who lives on milk is unskilled in the word of righteousness, since he is an infant. But solid food is for the mature, for those who have their faculties trained by practice to distinguish good from evil." (Hebrews 5:13–14)

The νήπιος (G3516) is described as ἄπειρος ("inexperienced, unskilled") in the word of righteousness. The faculties (αἰσθητήρια) of moral discernment have not yet been γεγυμνασμένα ("trained, exercised"). The threshold is πρὸς διάκρισιν καλοῦ τε καὶ κακοῦ — "for the discernment of good and evil." Hebrews and the LXX of Deuteronomy 1:39 / Isaiah 7:16 occupy the same conceptual category — discerning good from evil — rendered with different Greek synonyms (ἀγαθόν G18 in the LXX; καλόν G2570 in Hebrews) of the underlying Hebrew טוֹב. Hebrews names the threshold and locates the νήπιος beneath it. The New Testament uses the very same word for "infant" and tells us, in plain text, that such a person has not yet developed the moral faculty the baptism prerequisites require.

The data itself is lexical: zero co-occurrence with the infant vocabulary, dense co-occurrence with the prerequisite vocabulary, an explicit threshold statement in Hebrews. The data does not speak the inference itself; it constrains the inferences that can responsibly be drawn. The honest inference from this lexical pattern is that the canon's verb of baptism declines to attach itself to the canon's vocabulary of pre-discerning infancy.

The household passages, read on their own grammar

The strongest textual case for paedo-baptism is built from the household-baptism passages: Cornelius (Acts 10), Lydia (Acts 16:14–15), the Philippian jailer (Acts 16:31–34), Crispus (Acts 18:8), and Stephanas (1 Corinthians 1:16; 16:15). The argument: where the head of a household is baptized, the household (οἶκος) is baptized with him; first-century households typically included infants and small children; therefore infants were baptized.

This case deserves to be stated at full strength before it is examined. The pattern of household-baptism is real; Luke uses ὅλος ὁ οἶκος ("the whole household") with deliberate force. The question is what the texts say inside those households — and whether silence about infants amounts to evidence for infant baptism. We will walk the five cases in turn.

Cornelius (Acts 10)

The composition of the household is named in the narrative itself, not assumed:

ὁ δὲ Κορνήλιος ἦν προσδοκῶν αὐτούς, συγκαλεσάμενος τοὺς συγγενεῖς αὐτοῦ καὶ τοὺς ἀναγκαίους φίλους.

"Cornelius was expecting them and had called together his relatives and close friends." (Acts 10:24)

The gathered house is συγγενεῖς καὶ ἀναγκαίους φίλους — relatives and close friends. The vocabulary is of an extended social network summoned in advance by a Roman centurion to hear a Jewish apostle, not the ordinary nuclear-family language. The Spirit falls "on all who were hearing the word" (ἐπὶ πάντας τοὺς ἀκούοντας τὸν λόγον, v. 44), and Peter's criterion for water is explicit: "they have received the Holy Spirit just as we have" (ὡς καὶ ἡμεῖς, v. 47). The structural parallel here is Naaman — a Gentile outsider, hearing the word of God through a mediator, receiving what is given, and then water. In neither case does the textual frame surface infants.

Lydia (Acts 16:14–15)

ἧς ὁ κύριος διήνοιξεν τὴν καρδίαν προσέχειν τοῖς λαλουμένοις ὑπὸ τοῦ Παύλου. ὡς δὲ ἐβαπτίσθη καὶ ὁ οἶκος αὐτῆς, παρεκάλεσεν λέγουσα· εἰ κεκρίκατέ με πιστὴν τῷ κυρίῳ εἶναι, εἰσελθόντες εἰς τὸν οἶκόν μου μένετε.

"The Lord opened her heart to pay attention to what was said by Paul. And after she was baptized, and her household as well, she urged us, saying, 'If you have judged me to be faithful to the Lord, come to my house and stay.'" (Acts 16:14–15)

The text says nothing about the household's composition. Lydia is a single woman who deals in purple cloth (v. 14), traveling for trade. Her "household" is most plausibly her commercial establishment — slaves, servants, business associates — but the text is silent. The narrator names her heart-opening, her baptism, her invitation, her faithfulness. The agency in the verse is hers. Whether infants were in her οἶκος is unstated. Argument from silence supports no positive conclusion on either side.

The Philippian jailer (Acts 16:31–34)

This is the most contested of the household texts and the one whose grammar repays the closest attention:

οἱ δὲ εἶπαν· πίστευσον ἐπὶ τὸν κύριον Ἰησοῦν, καὶ σωθήσῃ σὺ καὶ ὁ οἶκός σου. καὶ ἐλάλησαν αὐτῷ τὸν λόγον τοῦ κυρίου σὺν πᾶσιν τοῖς ἐν τῇ οἰκίᾳ αὐτοῦ. καὶ παραλαβὼν αὐτοὺς ἐν ἐκείνῃ τῇ ὥρᾳ τῆς νυκτὸς ἔλουσεν ἀπὸ τῶν πληγῶν, καὶ ἐβαπτίσθη αὐτὸς καὶ οἱ αὐτοῦ πάντες παραχρῆμα, ἀναγαγών τε αὐτοὺς εἰς τὸν οἶκον παρέθηκεν τράπεζαν καὶ ἠγαλλιάσατο πανοικεὶ πεπιστευκὼς τῷ θεῷ.

"They said, 'Believe in the Lord Jesus, and you will be saved, you and your household.' And they spoke the word of the Lord to him and to all who were in his house. And he took them the same hour of the night and washed their wounds; and he was baptized at once, he and all his family. Then he brought them up into his house and set food before them. And he rejoiced along with his entire household, having believed in God." (Acts 16:31–34)

The promise in v. 31 is critical. Paul says "Believe (πίστευσον, aorist active imperative, singular) on the Lord Jesus, and you will be saved (σωθήσῃ, future indicative, singular), you and your household." The pronouns σὺ and ὁ οἶκός σου appear at the end, in apposition with the future verb. The command to believe is given to the jailer alone; the promise of being saved is extended to include the household. The promise is not a yet-fulfilled state.

Verse 32 tells us all in the house heard the word: σὺν πᾶσιν τοῖς ἐν τῇ οἰκίᾳ αὐτοῦ. Verse 33 records the baptism. Verse 34 is the load-bearing morphology:

ἠγαλλιάσατο πανοικεὶ πεπιστευκὼς τῷ θεῷ.

ἠγαλλιάσατο is aorist middle indicative, third person singular — "he rejoiced." The subject is the jailer. πανοικεί is an adverb meaning "with the whole household" or "together with all the house" — it modifies the manner or company of the rejoicing; it does not supply a plural subject. The participle πεπιστευκώς is perfect active, masculine singular nominative — agreeing with the singular subject of ἠγαλλιάσατο. The grammar names the believer explicitly, and exclusively, as the jailer. Greek would mark the participle plural (πεπιστευκότες) if Luke meant to say the whole household had believed; he does not.

Word by word:

The participle πεπιστευκώς agrees with the singular subject of ἠγαλλιάσατο (the jailer). Plural would be πεπιστευκότες.

What the text affirms: (a) Paul spoke the word of the Lord to all in the house; (b) the jailer believed; (c) the household was baptized; (d) the household rejoiced together. What the text does not affirm: that infants were present, or that infants were baptized on the jailer's faith. Those are inferences drawn over the text's silence. The single explicit datum about belief in this episode attaches to the jailer alone, by the participle's number and gender.

Crispus and the Corinthians (Acts 18:8)

Where Luke wants to extend belief to a household, he does it explicitly. Acts 18:8 — "Crispus, the synagogue ruler, believed in the Lord σὺν ὅλῳ τῷ οἴκῳ αὐτοῦ" — uses the prepositional phrase to bring the household into the verb's scope. The grammatical contrast with Acts 16:34 is sharp: in 18:8 Luke says the household believed; in 16:34 he says the jailer believed and the household rejoiced. The two episodes are constructed differently, and the difference is in the original. And the second half of Acts 18:8 — "many of the Corinthians, hearing, were believing and were being baptized" — restates the full prerequisite chain in three verbs.

Stephanas (1 Corinthians 1:16; 16:15)

Paul baptized Stephanas's household personally (1 Corinthians 1:16) and tells us later what kind of people they were:

οἴδατε τὴν οἰκίαν Στεφανᾶ, ὅτι ἐστὶν ἀπαρχὴ τῆς Ἀχαΐας καὶ εἰς διακονίαν τοῖς ἁγίοις ἔταξαν ἑαυτούς.

"You know that the household of Stephanas were the firstfruits of Achaia, and that they have devoted themselves to the service of the saints." (1 Corinthians 16:15)

The word ἀπαρχή ("firstfruits") and the reflexive ἔταξαν ἑαυτούς ("appointed themselves") are language of conscious conversion and adult choice. Whatever the composition of Stephanas's household at the time of baptism, Paul's retrospective description names them as persons who made decisions of service. The episode does not support the inference that infants were among them.

The household passages, read together, support the claim that whole households came to faith and were baptized together. They do not provide direct evidence that infants were baptized within those households. Where the text describes the household's interior state — Cornelius's relatives hearing, Crispus's household believing, Stephanas's household serving — the description is of conscious participation. Where the text is silent (Lydia, the jailer's household composition), silence remains silence. To turn silence into authorization for infant baptism is to take the texts beyond their own grammar.

Colossians 2:11–12 — the circumcision parallel

The strongest single proof-text in the paedo-baptist case is Colossians 2:11–12. The argument runs: circumcision was the Old Testament's covenant sign; God commanded it for eight-day-old infants (Genesis 17:12); Paul here teaches that baptism is the New Testament equivalent of circumcision; therefore the New Testament's covenant sign, like the Old Testament's, is given to infants on the basis of household covenantal membership. The argument has structural elegance. It deserves to be examined on the grammar of the text it cites.

ἐν ᾧ καὶ περιετμήθητε περιτομῇ ἀχειροποιήτῳ ἐν τῇ ἀπεκδύσει τοῦ σώματος τῆς σαρκός, ἐν τῇ περιτομῇ τοῦ Χριστοῦ, συνταφέντες αὐτῷ ἐν τῷ βαπτισμῷ, ἐν ᾧ καὶ συνηγέρθητε διὰ τῆς πίστεως τῆς ἐνεργείας τοῦ θεοῦ τοῦ ἐγείραντος αὐτὸν ἐκ νεκρῶν.

"In him also you were circumcised with a circumcision made without hands, by putting off the body of the flesh, by the circumcision of Christ, having been buried with him in baptism, in which you were also raised with him through faith in the powerful working of God, who raised him from the dead." (Colossians 2:11–12)

Two grammatical features of the passage cut against the paedo-baptist inference.

The first is the qualifier on "circumcision" in v. 11. Paul does not say "you were circumcised" simpliciter. He says περιετμήθητε περιτομῇ ἀχειροποιήτῳ — "you were circumcised with a circumcision made without hands." The adjective ἀχειροποίητος ("not made with hands") is the same word Hebrews uses to distinguish the heavenly sanctuary from the earthly (Hebrews 9:11, 24) and the same word Jesus uses in his trial about the Temple (Mark 14:58). It is deliberate hand-distinguishing language. The circumcision Paul has in view is not the physical-infant variety performed in Genesis 17. It is its spiritual antitype.

The second is the prepositional phrase in v. 12: συνηγέρθητε διὰ τῆς πίστεως τῆς ἐνεργείας τοῦ θεοῦ. The verb is συνηγέρθητε ("you were raised with him") — second person plural aorist passive. The instrumental phrase is διὰ τῆς πίστεως — "through faith." There is no qualifier, no covenantal sponsor, no parental insertion. The faith that raises the baptized with Christ is the faith of the baptized. The same word πίστις (G4102) operates without footnote.

Paul's wider theology of baptism, articulated in Romans, makes the same grammatical move:

ἢ ἀγνοεῖτε ὅτι ὅσοι ἐβαπτίσθημεν εἰς Χριστὸν Ἰησοῦν εἰς τὸν θάνατον αὐτοῦ ἐβαπτίσθημεν; συνετάφημεν οὖν αὐτῷ διὰ τοῦ βαπτίσματος εἰς τὸν θάνατον, ἵνα ὥσπερ ἠγέρθη Χριστὸς ἐκ νεκρῶν διὰ τῆς δόξης τοῦ πατρός, οὕτως καὶ ἡμεῖς ἐν καινότητι ζωῆς περιπατήσωμεν.

"Do you not know that all of us who have been baptized into Christ Jesus were baptized into his death? We were buried therefore with him by baptism into death, in order that, just as Christ was raised from the dead by the glory of the Father, we too might walk in newness of life." (Romans 6:3–4)

The first-person plural verbs — ἐβαπτίσθημεν, συνετάφημεν — and the purpose clause "that we too might walk in newness of life" presuppose a baptized subject capable of walking (περιπατήσωμεν, aorist subjunctive of conscious life-conduct). Baptism in Paul's theology is not an external mark applied to a passive body; it is a co-burial and co-resurrection issuing in a chosen new walk. The grammar of the rite, in its Pauline exposition, requires a subject who can subsequently live the new life.

Paul's use of the circumcision-and-faith relationship sits one letter back, in Romans 4:

καὶ σημεῖον ἔλαβεν περιτομῆς σφραγῖδα τῆς δικαιοσύνης τῆς πίστεως τῆς ἐν τῇ ἀκροβυστίᾳ, εἰς τὸ εἶναι αὐτὸν πατέρα πάντων τῶν πιστευόντων δι᾽ ἀκροβυστίας, εἰς τὸ λογισθῆναι καὶ αὐτοῖς τὴν δικαιοσύνην.

"He received the sign of circumcision as a seal of the righteousness that he had by faith while he was still uncircumcised. The purpose was to make him the father of all who believe without being circumcised." (Romans 4:11)

Abraham's circumcision was a σφραγίς ("seal") of a faith he already had. The order is faith-first; the rite follows. This is Paul's settled understanding of the relationship between covenant signs and faith. When he draws the parallel between baptism and circumcision in Colossians 2, he draws it on this template: the rite expresses and seals a faith that is already operative.

There is one further textual datum worth noting. The pattern-catalog tool, which searches the canon for vocabulary overlap between passages, registers no significant lexical overlap between Genesis 17 (the circumcision-of-infants passage) and Colossians 2. The pairing the paedo-baptist argument requires Paul to make is not made by Paul's vocabulary. What he does pair, by trigram analysis at 28.9% Jaccard similarity, is Colossians 2:11–12 with Romans 4:1–25 — the faith-first chapter. Paul's own intertextual gravity pulls Colossians 2 toward Romans 4, not toward Genesis 17.

The parallel between circumcision and baptism is real. Paul draws it deliberately, and we should not soften it. The question is what the parallel teaches. On the grammar of the text, the parallel teaches that baptism — like Abraham's circumcision — is a sign and seal of a faith the candidate already exercises. To carry the parallel further, into "baptism is given to infants because circumcision was given to infants," requires importing into Colossians 2:12 a qualifier the text does not supply. The faith that raises the baptized with Christ is, in Paul's grammar, the faith of the baptized.

Acts 2:39 — "the promise is for your children"

The most-cited verse for the children-of-believers argument stands in Peter's Pentecost sermon, one verse after the command to repent and be baptized:

ὑμῖν γάρ ἐστιν ἡ ἐπαγγελία καὶ τοῖς τέκνοις ὑμῶν καὶ πᾶσιν τοῖς εἰς μακράν, ὅσους ἂν προσκαλέσηται κύριος ὁ θεὸς ἡμῶν.

"For the promise is for you and for your children and for all who are far off, as many as the Lord our God will call to himself." (Acts 2:39)

The promise reaches outward in three named layers — ὑμῖν ("you"), τοῖς τέκνοις ὑμῶν ("your children"), πᾶσιν τοῖς εἰς μακράν ("all who are far off") — and the verse must be taken seriously. The reach to children is real; Peter does not exclude them from the scope of the announced promise.

But the verse has a fourth clause that the children-of-believers argument typically passes over: ὅσους ἂν προσκαλέσηται κύριος ὁ θεὸς ἡμῶν — "as many as the Lord our God will call to himself." The verb προσκαλέσηται is aorist middle subjunctive of προσκαλέομαι (G4341), with κύριος ὁ θεὸς ἡμῶν as the explicit subject. The qualifier closes the chain on God's calling, not on biological descent. The promise reaches as far as God calls — no further, no less. The far-off and the children alike are reached by the same divine summons.

This matters for the rite. Peter's instruction in v. 38 is unchanged by v. 39. He has just said μετανοήσατε, καὶ βαπτισθήτω ἕκαστος ὑμῶν — "repent, and let each one of you be baptized" — with ἕκαστος ὑμῶν (G1538) individualizing the command. Verse 39 expands the promise; it does not modify the baptism command. Peter does not say "and so let your children be baptized." The baptism prerequisite from v. 38 stands.

The honest reading: Acts 2:39 is a genuine extension of the promise's reach to children. It is not a baptism authorization for them. The two claims are distinguishable, and Peter's grammar distinguishes them — promise-reach in v. 39, baptism-command (with its prerequisite) in v. 38.

1 Corinthians 7:14 — "your children are holy"

A second pillar of the paedo-baptist textual case is Paul's reasoning in 1 Corinthians 7 about mixed marriages. If an unbelieving spouse is "sanctified" by the believing spouse, and the children of such a marriage are "holy," the argument runs, then those children have a covenantal status that warrants baptism.

ἡγίασται γὰρ ὁ ἀνὴρ ὁ ἄπιστος ἐν τῇ γυναικί, καὶ ἡγίασται ἡ γυνὴ ἡ ἄπιστος ἐν τῷ ἀδελφῷ· ἐπεὶ ἄρα τὰ τέκνα ὑμῶν ἀκάθαρτά ἐστιν, νῦν δὲ ἅγιά ἐστιν.

"For the unbelieving husband is made holy because of his wife, and the unbelieving wife is made holy because of her husband. Otherwise your children would be unclean, but as it is, they are holy." (1 Corinthians 7:14)

The rhetorical structure is critical. Paul is answering a Corinthian pastoral question about whether believers should leave unbelieving spouses (the chapter's larger frame). He argues from the holiness of the children — a status he assumes the Corinthians already accept — to the conclusion that the marriage itself is not defiling. The children's holiness is the premise, not the conclusion. Paul's argument fails if the Corinthians do not already grant that their children are ἅγια. He is using the granted status as leverage to settle the marriage question.

The word ἅγιος (G40) in 1 Corinthians spans a wide semantic range. Across the letter's thirteen verses where it appears (1:2; 2:13; 3:17; 6:1, 2, 19; 7:14, 34; 12:3; 14:33; 16:1, 15, 20), it covers "saints" (the recipients of the letter, the elders to whom complaints should be brought, the believers Stephanas serves), the Holy Spirit, the Temple of God, the holy kiss, the celibate woman's body, and these children. The word is status language — set-apart, allotted, claimed. It is not in Paul's vocabulary a synonym for regenerated or baptized. Paul never moves from a person being ἅγιος to a directive to baptize that person.

Paul does not mention baptism in 1 Corinthians 7. The connection between ἅγια in v. 14 and baptism eligibility is an inference made outside the chapter and retrospectively imposed on it. The verse's actual force, in the argument Paul is constructing, is about the legitimacy of mixed marriages — not about who may receive a particular rite. The holiness Paul affirms in the children of mixed marriages is real, and the affirmation is striking; but to leap from "your children are holy" to "therefore baptize them" requires a step Paul never takes in the surrounding text.

1 Peter 3:21 — the ἐπερώτημα

If the New Testament defines baptism anywhere, it defines it here. Peter explicitly tells us what baptism is — and what it is not.

ἀπειθήσασίν ποτε ὅτε ἀπεξεδέχετο ἡ τοῦ θεοῦ μακροθυμία ἐν ἡμέραις Νῶε κατασκευαζομένης κιβωτοῦ εἰς ἣν ὀλίγοι, τοῦτ᾽ ἔστιν ὀκτὼ ψυχαί, διεσώθησαν δι᾽ ὕδατος. ὃ καὶ ὑμᾶς ἀντίτυπον νῦν σῴζει βάπτισμα, οὐ σαρκὸς ἀπόθεσις ῥύπου, ἀλλὰ συνειδήσεως ἀγαθῆς ἐπερώτημα εἰς θεόν, δι᾽ ἀναστάσεως Ἰησοῦ Χριστοῦ.

"...when God's patience waited in the days of Noah, while the ark was being prepared, in which a few, that is, eight persons, were brought safely through water. Baptism, which corresponds to this, now saves you, not as a removal of dirt from the body but as an appeal to God for a good conscience, through the resurrection of Jesus Christ." (1 Peter 3:20–21)

Two halves of the definition. The negative: οὐ σαρκὸς ἀπόθεσις ῥύπου — "not the removal of dirt from the body." Peter expressly denies that baptism's saving force lies in the physical washing. The positive: συνειδήσεως ἀγαθῆς ἐπερώτημα εἰς θεόν — "a good-conscience appeal to God."

The word ἐπερώτημα (eperōtēma, G1906) is a New Testament hapax — it appears nowhere else in the canon. Its sense is debated: standard lexica register "appeal," "pledge," and "answer" as live options for the noun. Its lexical neighbor is at Daniel 4:17 (Theodotion), where it carries the sense of a formal demand or decree from the watchers (ἐν ἐπερωτήματι ἁγίων τὸ ἐρώτημα — "by decree of the holy ones"). On any of the three readings, the word names a directed, conscious, formal expression — a speech-act issuing from a moral agent. The argument here does not turn on choosing one gloss: appeal, pledge, or answer, the category is directed conscious speech-act. Baptism is, by Peter's definition, that kind of expression, addressed by a person to God on the basis of conscience. The συνείδησις (G4893) — the inward moral awareness — must be operative for the ἐπερώτημα to be made.

The type Peter draws on reinforces the structure. The eight saved through water in Noah's day were not unconscious passengers; they heard God's word through Noah — 2 Peter 2:5 calls Noah a κήρυκα δικαιοσύνης ("herald of righteousness"), framing his household and the surrounding world as recipients of a proclaimed message — they obeyed, they entered the ark, they rode out the flood. The antitype mirrors the type: not the passive presence of a body in water, but a conscious appeal of a conscience to God through the resurrection of Christ.

Hebrews supplies a parallel sequence:

προσερχώμεθα μετὰ ἀληθινῆς καρδίας ἐν πληροφορίᾳ πίστεως, ῥεραντισμένοι τὰς καρδίας ἀπὸ συνειδήσεως πονηρᾶς καὶ λελουσμένοι τὸ σῶμα ὕδατι καθαρῷ.

"Let us draw near with a true heart in full assurance of faith, with our hearts sprinkled clean from an evil conscience and our bodies washed with pure water." (Hebrews 10:22)

The internal-then-external sequence is the same: hearts sprinkled clean → bodies washed. The conscience is named again (συνείδησις) as the locus of the rite's content. Where the canon explicitly tells us what is happening when a person is baptized, it locates the action in the candidate's conscience. A subject without an operative συνείδησις cannot, on Peter's definition, make the ἐπερώτημα the rite is.

The OT vocabulary of moral knowledge

The threshold the New Testament repeatedly names — the capacity to hear, believe, repent, confess, and appeal — is not a New Testament invention. The Old Testament itself supplies the canonical vocabulary for a developmental stage below which moral discernment is not yet present. Three passages, in different genres and different centuries, use the same Hebrew cluster: יָדַע (yāda‘, H3045, "to know") plus טוֹב (ṭov, H2896, "good") and רָע (ra‘, H7451, "evil") — or, in Jonah, the alternative figure "right hand and left hand."

Deuteronomy 1:39. Moses recounts the wilderness-generation judgment. Those twenty and older will not enter the land — they refused to trust. But their children:

וְטַפְּכֶם אֲשֶׁר אֲמַרְתֶּם לָבַז יִהְיֶה וּבְנֵיכֶם אֲשֶׁר לֹא־יָדְעוּ הַיּוֹם טוֹב וָרָע הֵמָּה יָבֹאוּ שָׁמָּה

"And your little ones who you said would become prey, and your children who today do not yet know good and evil — they shall go in there." (Deuteronomy 1:39)

The clause אֲשֶׁר לֹא־יָדְעוּ הַיּוֹם טוֹב וָרָע ("who today do not yet know good and evil") is a moral category, not a chronological one. The wilderness children are exempt from the judgment because their moral faculty had not yet engaged the choice the parents refused. The Septuagint preserves the structure: καὶ πᾶν παιδίον νέον ὅστις οὐκ οἶδεν σήμερον ἀγαθὸν ἢ κακόν — "every young child who today does not know good or evil." The Dead Sea Scrolls (4Q35 and the DSS-TC-Hebrew consolidated edition) preserve the load-bearing words of the verse without variant. The category is canonical, textually stable across the Hebrew tradition, and rendered in Greek with the precise vocabulary Hebrews 5:14 will reuse.

Isaiah 7:15–16. The Immanuel sign:

חֶמְאָה וּדְבַשׁ יֹאכֵל לְדַעְתּוֹ מָאוֹס בָּרָע וּבָחוֹר בַּטּוֹב׃ כִּי בְּטֶרֶם יֵדַע הַנַּעַר מָאֹס בָּרָע וּבָחֹר בַּטּוֹב תֵּעָזֵב הָאֲדָמָה אֲשֶׁר אַתָּה קָץ מִפְּנֵי שְׁנֵי מְלָכֶיהָ׃

"He shall eat curds and honey when he knows how to refuse the evil and choose the good. For before the boy knows how to refuse the evil and choose the good, the land whose two kings you dread will be deserted." (Isaiah 7:15–16)

The phrase לְדַעְתּוֹ מָאוֹס בָּרָע וּבָחוֹר בַּטּוֹב — "his knowing to refuse evil and choose good" — is the developmental marker Isaiah uses to date the prophecy. Six pre-Christ witnesses preserve the passage (1Qisaa, 4Q60, the DSS-TC-Hebrew consolidated edition, and three others), and the wording of the load-bearing clause is consistent across them. Isaiah, like Moses, recognizes a stage at which a child cannot yet perform the moral discrimination Isaiah names. The Septuagint renders it πρὶν ἢ γνῶναι τὸ παιδίον ἀγαθὸν ἢ κακόν.

Jonah 4:11. God's closing question to Jonah:

וַאֲנִי לֹא אָחוּס עַל־נִינְוֵה הָעִיר הַגְּדוֹלָה אֲשֶׁר יֶשׁ־בָּהּ הַרְבֵּה מִשְׁתֵּים־עֶשְׂרֵה רִבּוֹ אָדָם אֲשֶׁר לֹא־יָדַע בֵּין־יְמִינוֹ לִשְׂמֹאלוֹ

"And should I not pity Nineveh, that great city, in which there are more than 120,000 persons who do not know their right hand from their left?" (Jonah 4:11)

The figure "right hand from left" is a different idiom from "good and evil" — only the verb יָדַע (H3045) is shared with Deuteronomy 1:39 and Isaiah 7:16, while טוֹב and רָע do not appear. What is shared is the conceptual category: an undeveloped capacity to discriminate, named in a different image. God numbers them — 120,000 — and grounds his mercy on the very fact of their unformed discernment. The Dead Sea Scrolls (4Q82, Mur88) and the DSS-TC-Hebrew consolidated edition confirm the verse without variant. The category not only exists; God acknowledges it in moral reasoning.

These three witnesses, drawn from law, prophecy, and narrative, establish a coherent canonical concept: a developmental stage of a human person below the threshold at which moral choices can be made. Hebrews 5:13–14, already quoted, picks up the same conceptual category — discerning good from evil — and renders it πρὸς διάκρισιν καλοῦ τε καὶ κακοῦ. The LXX of Deuteronomy 1:39 and Isaiah 7:16 uses ἀγαθόν (G18) and κακόν (G2556) for the same underlying Hebrew pair טוֹב + רָע; Hebrews uses καλόν (G2570) and κακόν (G2556). Different Greek synonyms render the same Hebrew concept. The bridge is conceptual, not strictly lexical — but the conceptual category is unmistakable. The Greek expression of the Old Testament moral-knowledge threshold is the expression Hebrews uses to locate the νήπιος beneath the threshold.

Same conceptual category (moral discernment of good and evil), different Greek lexemes (ἀγαθόν G18 in LXX; καλόν G2570 in Hebrews).

Two further data points belong here. Numbers 14:29 (read with Numbers 1:3) sets the wilderness-judgment and military-service threshold at twenty years old — not a baptism age, but a witness that the Old Testament itself recognizes lower bounds on full accountability. Luke 2:42 records Jesus, at twelve, in the temple engaging the teachers — a Second Temple developmental marker, not a binding legislative age, but a recognized point of conscious engagement with Scripture.

A caveat is necessary. The Old Testament does not legislate a baptism age; Christian baptism in the apostolic sense is not an Old Testament rite. What the Old Testament supplies is the canonical vocabulary for the condition of a person beneath the moral-knowledge threshold. That vocabulary is what the New Testament's prerequisite structure requires to be operative. When Hebrews 5:13–14 uses νήπιος and locates him below "the discernment of good and evil," it is speaking the Greek of Deuteronomy 1:39, Isaiah 7:15–16, and Jonah 4:11. The canonical witnesses converge.

What the text says, what it doesn't, what we may infer

It is worth labelling the categories of evidence the study has assembled, so that the reader can weigh each line of argument by its actual weight.

Direct statements of the text. Every major NT baptism passage — narratives, commands, and summaries alike — places at least one prerequisite — hearing, believing, repenting, confessing, being discipled — before the water. The pattern holds in the Great Commission (Matthew 28:19), at Pentecost (Acts 2:38, 2:41), at Samaria (Acts 8:12), on the Gaza road (Acts 8:36), at Damascus (Acts 22:16), at Caesarea (Acts 10:44–48), at Corinth (Acts 18:8), at Ephesus (Acts 19:1–7), and in Paul's summary of the experience (Ephesians 1:13). βαπτίζω (G907) does not occur in the same verse with any New Testament word for an infant or pre-discerning child (παιδίον, βρέφος, νήπιος): zero co-occurrences across 81 attestations of the verb in 66 verses. 1 Peter 3:21 explicitly defines baptism as a συνειδήσεως ἀγαθῆς ἐπερώτημα — an appeal of a good conscience to God. These are direct, unambiguous statements of the canon.

Necessary inferences from grammar. Matthew 28:19's μαθητεύσατε (aorist imperative) governs βαπτίζοντες (present participle); the imperative subordinates the participle in syntactic structure. Acts 16:34's πεπιστευκώς is masculine singular nominative — agreeing with the jailer alone — even though πανοικεί is the adverb. Acts 22:16's βάπτισαι is aorist middle imperative — the subject acting on himself. Hebrews 5:13–14 locates the νήπιος beneath the διάκρισιν καλοῦ τε καὶ κακοῦ — the very phrase the LXX uses for Deuteronomy 1:39's threshold. Each of these is grammar — not interpretation overlaid on the text, but the text's own grammatical machinery.

Inferences from canonical vocabulary. Deuteronomy 1:39, Isaiah 7:15–16, and Jonah 4:11 use a coherent moral-knowledge vocabulary cluster (H3045 + H2896 + H7451). Hebrews 5:13–14 uses the LXX bridge of that cluster. The convergence is a vocabulary-based pattern, established by the actual Strong's data, not by topical association.

Inferences from silence (paedo-baptist side). Households may have included infants. Lydia's may have. The jailer's may have. Stephanas's may have. These are reasonable historical possibilities. They are not direct evidence; they are arguments from silence about household composition, and silence cannot speak louder than the grammar that does speak. The argument-from-silence interpretation requires reading information into texts that decline to supply it.

Speculation requiring qualifiers not in the text. The reading of διὰ τῆς πίστεως in Colossians 2:12 as "through parental faith" or "through covenantal sponsor faith" requires importing into the verse a qualifier Paul does not supply. The reading of 1 Corinthians 7:14 as a warrant for baptism requires moving from a chapter that does not mention baptism to a conclusion about the rite. The reading of Acts 2:39 as commanding infant baptism requires omitting the fourth layer of Peter's promise — "as many as the Lord our God will call" — which closes the chain on God's calling, not on biological descent.

What the text never says. The text never names a number of years for the lower limit of baptism. It does not say "eight days" or "twelve years" or "twenty years." The text names a capacity, not a year. Pastoral judgment must decide when in any specific child's development that capacity has emerged in a credible form — but pastoral judgment operates on the text's terms, not in their absence.

These categories matter. The "no false balance" rule of careful exegesis requires the reporter not to weight inference from silence equally with direct grammatical statement. The textual evidence on the lower-limit question is asymmetric. Reporting that asymmetry honestly is not polemic; it is exegesis.

The lower limit

The lower limit of baptism is the threshold at which a person can credibly hear, believe, repent, confess, and appeal. The text does not specify the year; pastoral judgment must. But the text does specify the kind of person to whom baptism is offered. Peter, in the canon's clearest definition of the rite, names that person:

ὃ καὶ ὑμᾶς ἀντίτυπον νῦν σῴζει βάπτισμα, οὐ σαρκὸς ἀπόθεσις ῥύπου, ἀλλὰ συνειδήσεως ἀγαθῆς ἐπερώτημα εἰς θεόν, δι᾽ ἀναστάσεως Ἰησοῦ Χριστοῦ.

"Baptism, which corresponds to this, now saves you — not as a removal of dirt from the body, but as an appeal to God for a good conscience, through the resurrection of Jesus Christ." (1 Peter 3:21)

Below the threshold of conscience, the rite would be performed on a candidate the text never describes. Above it, the rite is for any person — of any age — who can lift the appeal.