Псалтирь 117:2

Look at the shape of the sentence: "Да скажет ныне дом Израилев." Someone is telling Israel to say something — not just believe it privately, but say it out loud, together, right now ("ныне"). And what they're told to say is a refrain: "ибо вовек милость Его" — his covenant love lasts forever. This verse is actually the second line of a call-and-response. Verse 1 throws the invitation out to everyone: "Give thanks to the LORD, for he is good, for his mercy endures forever." Then the psalm turns and calls out to specific groups, one after another, to shout back the same line — first "the house of Israel" (v.2), then "the house of Aaron," the priests (v.3), then "those who fear the LORD" — a phrase that in the Old Testament often includes non-Israelites who've attached themselves to God's people (v.4). It's a widening circle: nation, then priesthood, then anyone, from anywhere, who trusts this God.

Easy to miss: the words "Он благ" ("he is good") are in brackets in your translation because they're not actually repeated in the Hebrew at verse 2 — they're implied, carried over from verse 1. The refrain is being drilled into the congregation by repetition, the way a chant gets into your bones.

This psalm sits at the end of a set called the Hallel (Psalms 113–118), the songs Jewish families sang at Passover. Which means — almost certainly — this is one of the psalms Jesus sang with his disciples the night before he died (Matthew 26:30). Christians have long debated who the "I" of this psalm originally was — a king recounting a battlefield rescue, or the whole nation personified — but nobody seriously disputes that by the time you get to its most famous line, "the stone the builders rejected has become the cornerstone" (v.22), the church has always heard Jesus.

Psalm 118 belongs to a small cluster, Psalms 113 through 118, known in Jewish practice as the Hallel — "praise" psalms sung together at the three great pilgrim festivals (Passover, the Feast of Weeks, the Feast of Booths). We can't pin an exact author or decade on this psalm with certainty, but its language and setting — a worshiper processing toward the temple gates, a congregation answering back in unison (vv.19–20, 27) — fit the pattern of Israel's temple worship, likely sometime after the return from the Babylonian exile (that is, after 538 BC, when the Persian king Cyrus let the Jewish exiles go home and rebuild the temple that Nebuchadnezzar's army had destroyed in 586 BC).

Picture it concretely: pilgrims walking up the road to Jerusalem for Passover, singing responsively as they climb — a leader or choir sings a line, and the crowd shouts back the refrain, "for his mercy endures forever." It's not quiet, meditative reading. It's loud, communal, repetitive — closer to a stadium chant than a hymn sung softly in a pew. That's exactly the kind of song a family would sing at the