Verse explainer
The angel's reassurance to Mary isn't a general motivational slogan — it's a specific promise that God's spoken word never falls short.
For with God nothing shall be impossible.
BSBFor no word from God will ever fail.
The plain meaning
The angel Gabriel has just told Mary she will conceive a son by the Holy Spirit, though she is a virgin. She asks, understandably, how this can be (v. 34). His answer points first to her relative Elisabeth, who is pregnant in old age (v. 36), then lands here: with God, no word fails. The Greek underlying the KJV's "nothing shall be impossible" is closer to the BSB's rendering — it's less about raw power in the abstract and more about the reliability of what God has declared. The echo is deliberate: the angel is calling back to Genesis 18:14, where God asks Sarah, "Is anything too hard for the LORD?" just before Isaac's impossible birth. Mary is being placed in that same line of promise. The angel isn't just saying God is omnipotent in a general sense; he is saying: this specific announcement will not prove empty. It will happen because God said it.
The common misreading
What the commentators say
Clarke hears a deliberate echo of the promise to Sarah in Genesis 18:14, and notes that Mary, recognizing the allusion, would have found her faith strengthened by remembering how God kept his word then. The verse is not a theological abstraction but a faith-building reminder of a specific precedent.
Gill reads the verse as the angel doing double duty: answering Mary's question of how this could happen, and grounding her confidence by pointing to God's omnipotence. Every word God has spoken, every thing predicted or promised, he is able to perform — including this particular word about a virgin conceiving a Son.
JFB notes the deliberate parallel to Abraham's situation in Genesis 18:14, understanding the angel's words as an intentional callback meant to strengthen Mary's faith by anchoring her in a well-known precedent of God fulfilling what seemed humanly impossible.
The word behind it
"Word" or "thing spoken." The BSB renders this literally: "no word from God will ever fail." The verse is not simply asserting God's omnipotence in the abstract — it is saying that no specific divine utterance, no declared promise, will prove void or empty. This shifts the emphasis from raw power to covenantal reliability, which is the point the angel is making to Mary about this particular announcement.
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