Isaiah 55: Come, all who are thirsty

Isaiah 55 is the most welcoming invitation in the prophets. "Come, everyone who thirsts." The pastor who preaches the chapter well preaches the gospel's welcome.

Historical context

Isaiah 55 closes the "Book of Comfort" (chs. 40-55). The chapter has three movements: the invitation to the thirsty (1-5), the call to seek and forsake (6-9), and the certainty of God's word (10-13). The chapter ends with creation's response — mountains singing, trees clapping.

Three sermon arc options

• Come, everyone who thirsts. 55:1-5. The invitation. Walk through "come," "buy," "eat," "incline your ear." Free grace announced in market language. The price is none.
• My ways are not your ways. 55:6-9. The call to seek and forsake. The acknowledgment that God's ways are higher. Apply: repentance requires not just behavior change but mindset reorientation.
• My word shall not return empty. 55:10-13. The closing promise. The word that goes out from God accomplishes its purpose. Apply pastorally: the sermon you preach into a hardened room is doing work you can't see.

Original language notes

Hoy ("Ho!" v. 1) — attention-getting interjection. The chapter opens with a market-vendor's call. Rik ("empty," v. 11) — the word does not return empty. Effectual word.

Five illustration hooks

• A market-vendor's "ho!" calling people to buy without money — gospel economics inverted.
• Buying without price — the language is impossible by design. Grace is the only thing that operates this way.
• A word that doesn't return empty (v. 11) — preacher's comfort. The seed sown does work you can't track.
• Mountains singing and trees clapping (v. 12) — creation's response to the gospel. Eschatology in seed.
• A "while he may be found" (v. 6) — the urgency of invitation. Today is the day.

Cross-references

• John 4:13-14 — Jesus offering living water — Isaiah 55 fulfilled.
• John 7:37-39 — "Come to me and drink."
• Revelation 22:17 — The closing invitation of the Bible echoes Isaiah 55.
• Hebrews 4:12 — The word of God is living and active.

Pastoral application

For Communion Sunday, this is a strong text. For altar-call or invitation sermons, this is foundational. The price is none; preach it that way.