Isaiah
Author: Isaiah
Sweeping prophecies of judgment and hope — including the Suffering Servant passages pointing to the Messiah.
Summary of the Book of Isaiah
Written: c. 740–680 BC
Isaiah son of Amoz prophesied in Jerusalem across roughly forty years and four kings — Uzziah, Jotham, Ahaz, and Hezekiah — through the terror of Assyria's rise. His commissioning vision in chapter 6 — the year King Uzziah died, the temple filled with smoke, seraphim crying holy, holy, holy before the enthroned Yahweh, and a live coal touching the prophet's unclean lips — stamps the entire book: God is the Holy One of Israel, a title Isaiah uses about twenty-five times, and both judgment and salvation flow from that holiness. The name Isaiah itself means Yahweh is salvation, and salvation is the book's constant burden.
Chapters 1–39 confront Judah's rebellion and the crises of Isaiah's own lifetime: the Immanuel sign given to faithless King Ahaz (7), the promised child who will reign on David's throne (9 and 11), oracles against the surrounding nations (13–27), and the deliverance of Hezekiah's Jerusalem from Sennacherib's army (36–39). Chapters 40–55 speak comfort to a people facing Babylonian exile, naming Cyrus as the liberator and unfolding the four Servant Songs, which crest in chapter 53's servant pierced for our transgressions. Chapters 56–66 look further ahead to a renewed people, gathered nations, and new heavens and a new earth.
No prophet shapes the New Testament more. Matthew, John, Paul, and Jesus himself quote Isaiah constantly — the virgin conception, the voice in the wilderness, the suffering servant, the great invitation to the thirsty. The book's overall movement, judgment absorbed and comfort announced until creation itself is remade, is the Bible's storyline in miniature.
Isaiah was written to confront Judah's sin with the holiness of God and to anchor hope in the coming Servant-King whose suffering and reign would bring salvation to the nations.