What does «Yahweh has blessed me for your sake» mean in Genesis 30:27?
Laban is admitting that the elect-servant in his house is the reason his household has prospered. Three patriarchal verses use the same Hebrew particle in the same way — Abram before Pharaoh, Jacob before Laban, Joseph before Potiphar — and they form a single pattern: the world is blessed on account of the one God has chosen.
When Laban tells Jacob «Yahweh has blessed me for your sake,» he is admitting something the patriarchs' Gentile masters keep being made to admit — that the elect-servant under their roof is the reason the household prospers.
The phrase is biglalekha (H1558, biglal, «on account of»), and it forms a tight little cluster in Genesis. Three verses use it in the same construction; three speakers; three Gentile-elect pairings:
וִיהִי לִי טוֹב בַּעֲבוּרֵךְ וְחָיְתָה נַפְשִׁי בִּגְלָלֵךְ
«Let it go well with me on your account, and let my life be spared because of you.» — Genesis 12:13 (Abram to Sarai)
נִחַשְׁתִּי וַיְבָרֲכֵנִי יְהוָה בִּגְלָלֶךָ
«I have divined, and Yahweh has blessed me on your account.» — Genesis 30:27 (Laban to Jacob)
וַיְבָרֶךְ יְהוָה אֶת־בֵּית הַמִּצְרִי בִּגְלַל יוֹסֵף
«And Yahweh blessed the Egyptian's house on account of Joseph.» — Genesis 39:5 (the narrator on Potiphar)
The first verse is the seed of the formula in inverted key — Abram uses it manipulatively, on himself, before he and Sarai walk into Egypt. By the time we reach Laban and Potiphar, the formula has settled into its proper shape: a Gentile master, Yahweh as subject, the elect-servant as the cause of the blessing.
The grammar of Genesis 30:27 and Genesis 39:5 is identical in a way translation cannot show. Both verbs are barakh «bless» in the Piel wayyiqtol third-masculine-singular form. Both subjects are Yahweh. Both objects are the Gentile master. Both causes are biglal + the elect-servant. Strip the verses to their syntax and they are the same sentence, twice — once on Laban about Jacob, once on Potiphar about Joseph. Jacob is to Laban as Joseph is to Potiphar.
What does that mean? It means the Abrahamic promise of Genesis 12:3 — ve-nivrekhu vekha kol mishpechot ha-adamah «in you all the families of the earth shall be blessed» — is not just a future-tense slogan. It is already running. The blessing is leaking out of the elect line and into the houses they pass through. Laban is enriched because Jacob shepherds his flocks. Potiphar's house thrives because Joseph runs it. Pharaoh's whole country is fed in Genesis 41 for the same reason. The world keeps being made better off by proximity to the people God has chosen.
The same theology surfaces in Jesus' Olivet word about dia tous eklektous «for the sake of the elect» — that the days of tribulation shall be shortened on their account (Matthew 24:22; Mark 13:20). The Greek conceptual link is unmistakable. The Hebrew lexical chain does not survive into Greek — the Septuagint of Genesis 30:27 had already paraphrased biglalekha as tē sē eisodō «at your entry» — but the underlying logic is exactly the same. Yahweh acts on account of those he has chosen.
There is one further precision the verse demands. Genesis 30:30 also uses a «for-Jacob's-sake» idiom — Jacob says to Laban, va-yvarekh Yahweh otkha le-ragli «Yahweh has blessed you at my foot» (literally, «at my heel» — Jacob is still the heel-grabber). Same theology, different Hebrew lexeme. The three biglal verses are the patriarchal cluster proper; the Genesis 30:30 verse is the heel-grabber's own re-statement of the same point.
For the full reading — including the morphological match between Genesis 30:27 and Genesis 39:5, the «I have divined» confession that places Laban outside the covenant, and the two-layer reading of the peeled rods — read Jacob's Flocks: The Bethel Promise Begins to Burst Forth.
How does Jacob's «wage» in Genesis 30 connect to Christ's «reward» in Revelation 22?
By a single Hebrew noun that runs the length of the canon. *Sakhar* is born on Yahweh's lips at Genesis 15:1, becomes the contract-word at Jacob's flocks, names a whole tribe of Israel, draws prophetic judgment on wage-oppressors, and finally lands in Christ's mouth at the end of Revelation as the *misthos* he is bringing with him.
What were Jacob's peeled rods and did the trick really work?
No — the rods did not do what Jacob thought they did. Four verses later, the angel of God tells him the rams mating with the flock were already striped and speckled before he ever picked up a poplar branch. Jacob acted; Yahweh acted. Both layers are honest.
Why did Laban say he had «divined» that Yahweh had blessed him?
Because Laban was a Mesopotamian householder who read omens, and his word choice gives him away. The verb he uses — *nichashti* — sits in a Hebrew family that the Torah elsewhere forbids. By his own lips, Laban places himself outside the covenant even as he confesses Yahweh's blessing on Jacob.