What is the difference between 'I am' and 'I will be' in Exodus 3:14?
There is no difference in the Hebrew — the word ehyeh is a single form that carries both senses, and that double meaning is deliberate: God's present being and his future faithfulness are the same thing.
This is one of those places where translating Hebrew into English forces a choice the Hebrew never makes.
The word at the center of Exodus 3:14 is אֶהְיֶה (ehyeh, H1961). It is the first-person imperfect form of the verb "to be." In Hebrew, the imperfect describes action that is ongoing, incomplete, or future — which means it can be legitimately translated as "I am," "I will be," or "I am the one who is." All three are grammatically available from the same form. English has to pick one; Hebrew does not.
The traditional translation "I AM THAT I AM" (based on the King James) leans toward the present. A translation like "I will be what I will be" leans toward the future. Both are defensible. Neither captures the full weight of the Hebrew on its own.
The Greek translators working around 250 BC heard the word and made a deliberate interpretive choice: they rendered it ἐγώ εἰμι ὁ ὤν (egō eimi ho ōn), "I am the One who is" — reaching for the language of absolute, continuous being. That translation was not driven by a different Hebrew text (the Dead Sea Scrolls confirm the Hebrew reads אֶהְיֶה אֲשֶׁר אֶהְיֶה without variation). It was a theological interpretation of a word they recognized as intentionally open-ended.
What matters most, though, is not the philosophy debate but the context. One verse before God announces the name, he uses the same word as a promise to Moses:
"He said, 'For I will be with you (ki ehyeh immak) — and this shall be the sign for you that I have sent you.'"
— Exodus 3:12
Moses had asked, "Who am I?" — meaning, I am nobody, why would Pharaoh listen to me? God's answer is not "You are someone important." It is: I will be with you. The very word that becomes the divine name one verse later is first used as a relational promise of presence.
That is not a coincidence. It is the key to the whole passage. The name ehyeh — "I AM" — is the promise "I will be with you" elevated to the level of identity. God is not saying: I have a metaphysical essence, which I will now describe. He is saying: the one who promises to be present with you is the one who simply is. His being grounds his faithfulness. His ontology serves his covenant.
The same form appears two more times after the name is given, both as promises of presence: "I will be with your mouth" (Exodus 4:12) and "I will be with your mouth and with his mouth" (Exodus 4:15). The name is bracketed on both sides by presence-promises. "I AM" and "I will be" are not two different ideas in tension — they are the same truth from two angles.
When God finally fills in what "I AM" means in practice, at Exodus 34:6, the answer is character: "YHWH, YHWH, a God merciful and gracious, slow to anger, abounding in steadfast love and faithfulness." That is who the one who is turns out to be.
The full study unpacks both dimensions of the name — the Hebrew relational reading and the Greek ontological reading — and shows how they travel together through Isaiah, John, and Revelation.
Did Jesus claim to be the God of the burning bush?
Yes, in two distinct ways: he argued from the present tense of Exodus 3:6 to prove the resurrection, and he said 'before Abraham came into being, I am' — the same predicate-less self-declaration God made at the bush.
What does 'I AM THAT I AM' mean?
It is God's self-declaration that his very being is the ground of every promise he makes — the same Hebrew word means both 'I AM' and 'I will be,' held deliberately open.
Why did God appear in a burning bush?
The Bible does not explain why God chose a thornbush, but the choice is significant: the most ordinary, lowly scrub of the Sinai wilderness becomes the site of the holiest encounter in the Hebrew Bible.
Why did Moses take off his sandals at the burning bush?
Because the place had become holy ground — not because of anything special about the dirt, but because God was present there, and standing before the holy God calls for removing what separates you from the ground beneath you.