Isaiah 40:8

The context

Isaiah 40 opens the section of the book that announces comfort to Jerusalem after judgment. A voice commands that comfort be spoken; a voice cries in the wilderness to prepare a way; a voice says all flesh is grass. Verse 8 closes the exchange about human frailty with a contrast: the grass withers, but the word of God stands.

Interpreters divide over the book's composition, but either reading leaves verse 8's local argument intact. A people told their flourishing is temporary are told that God's announced intention is not. First Peter 1:24–25 later quotes the line and applies it to the gospel message.

The words

"Grass" is ḥāṣîr and "flower" is ṣîṣ, the ordinary words for field growth and blossom. The point is not that vegetation is worthless but that it is seasonal.

"Word" is dāvar, which covers speech, matter, and thing — the content spoken as much as the act. In this sentence it refers to what God has just said through the prophet: comfort, return, the revealing of glory. It is not yet a term for a book.

"Stands" is a form of qûm, to rise or take a stand, with l'ôlām, "forever." The line is built in parallel — two clauses on fading, one on standing — so the weight falls on the last.

What this passage establishes

It establishes the reliability of God's announced purpose relative to the fragility of those who hear it. The prophetic word outlasts the generation addressed, the empire that threatens them, and the flesh that will wither.

What it does not establish

It does not identify "the word" with a particular book, translation, or textual tradition. In context the referent is the prophetic announcement just made. Using the verse to settle questions about manuscripts or canon reads a later question back into the sentence.

It does not guarantee that any particular interpretation endures. The contrast is between human transience and God's word, not between human error and ecclesiastical correctness. A reading of Scripture can be as seasonal as grass.

It does not by itself prove the church's teaching indefectible. First Peter extends the referent to the preached gospel, and that extension is an argument, not a repetition. Readers should notice the move rather than assume the verse already made it.

How the church has read it

First Peter's quotation gave the verse a secure place in Christian use, and patristic and Reformation writers cited it for the permanence of Scripture against the passing of empires. Warfield's account of inspiration leaned on such texts. Careful readers in that tradition have noted the gap between the original referent and the later application; the verse supports confidence in God's speech and needs an argument to reach a doctrine of the text.

First pass, written October 2026. Corrections welcome.

Cited in these answers

• Hasn't the Bible been changed by men over the centuries? How can anyone trust it?
• With no original texts and 400,000 contradictions in the COPIES of the New Testament, the bible is unstrustworthy. Read Bart Ehrman's 'Misquoting Jesus'.
• I don't believe your book - there are over 1000 errors found in the bible
• Given that we don't have the original manuscripts, why would God have allowed variant readings to creep into the textual tradition?

Part of Scripture, Opened — the exegetical layer behind every citation on this site. Scripture quotations are from the ESV.