In the Hebrew, the same as the recurrent refrain translated “his mercy endureth for ever” (Ps. 136; see also Ps. 118:1-4, 29).
To all generations.
Literally, “to generation and generation.” A picture of one generation following another, all enjoying God’s kindness and faithfulness. God deserves our praise because He makes us what we are, redeems us, loves us, purposes all good for us now, and provides for our happiness hereafter.