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Trinity/After Pentecost · The Twentieth Sunday after Trinity

Isaiah 55:1-9

Invitation to the Thirsty

October 18, 2026

The Angel Standing in the Sun, J. M. W. Turner
The Angel Standing in the Sun, J. M. W. Turner, 1846Tate Britain, London
Late Turner, where the figure almost dissolves: the archangel stands in a blaze that has eaten most of the canvas, with small dark scenes of violence at the edges.Isaiah's word goes out and does not return empty, and Turner paints light doing exactly that to everything it touches.J. M. W. TurnerTurner (1775-1851) spent a long career pushing landscape toward light itself, until in his last decades the subject is often barely recoverable from the atmosphere around it.Tate Britain, LondonThe national collection of British art from 1500, on Millbank, including the Turner Bequest of nearly thirty thousand works the artist left to the nation.Tate Britain, London
Historic One-Year Lectionary
GospelMatt. 22:1-14Mt 22:1-14Alt. GospelMatt. 21:33-44Mt 21:33-44
EpistleEph. 5:15-21Eph 5:15-21
Old TestamentIsa. 55:1-9Is 55:1-9
PsalterPs. 27:1-9Ps 27:1-9

Overview & Insights

“Seek the Lord while he may be found, call on him while he is near.” (Isaiah 55:6)

An Invitation to Sing: Once again a return to a focus on Ms Jerusalem follows the servant passage, as happened after 49:1–6 and 50:4–11. There were hints there that Ms Jerusalem’s restoration was the correlate of Ms Babylon’s humiliation in chapter 47. Chapter 54 is the systematic exposition of that theme. The prophet takes up five images of Ms Jerusalem which once again resume the themes of the people’s prayers (we are like a childless and abandoned woman, the victim of angry abuse—literally, we are a battered and insecure city) before coming to a striking conclusion.

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Take it further: Isaiah 55:1-9

Commentary

Enduring Word Bible Commentary Isaiah Chapter 55Enduring Word Bible Commentary Is Chapter 55 Enduring Word · David Guzik

David Guzik's verse by verse evangelical commentary on the free invitation of grace and the higher thoughts of God.

Isaiah 55:1 CommentariesIs 55:1 Commentaries BibleHub

Aggregates classic commentators on the call to the thirsty and the promise of abundant pardon.

Isaiah 55, Expository NotesIs 55, Expository Notes StudyLight

Thomas Constable's expository notes on the everlasting covenant and seeking the LORD while he may be found.

Commentary on Isaiah 55:1-9Commentary on Is 55:1-9 Working Preacher

Luther Seminary exegesis of the invitation to the thirsty and the God whose ways are higher than ours.

Background & Word Study

Isaiah 55 in HebrewIs 55 in Hebrew Sefaria

The Hebrew text with English alongside and traditional Jewish commentary links for the invitation to the waters.

Isaiah 55:1 Hebrew InterlinearIs 55:1 Hebrew Interlinear BibleHub

Hebrew word by word with parsing for thirst, water, buy, and the everlasting covenant.

Overview: Isaiah 40-66Overview: Is 40-66 BibleProject

An animated overview of the second half of Isaiah, the setting for this call to the thirsty.

The Church Fathers

Commentary on Isaiah 55 from the Church FathersCommentary on Is 55 from the Church Fathers Catena

Patristic comment gathered verse by verse on the free waters of grace and the God who pardons abundantly.

Questions preachers ask

What does Isaiah 55 invite?

The chapter calls the thirsty to come to the Lord for free grace, and here urges seeking him while he is near, for his thoughts and ways are higher than ours (Isaiah 55:8–9). Mercy is held out to all who turn.

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