Commentary for Psalms 118:2

יֹֽאמַר־נָ֥א יִשְׂרָאֵ֑ל כִּ֖י לְעוֹלָ֣ם חַסְדּֽוֹ׃

So let Israel now say, For His mercy endureth for ever,

Rashi on Psalms