John Gills Exposition of the Bible Commentary - Psalms 118:4
Let them now that fear the Lord say, that his mercy endureth for ever. Not the proselytes to the Jewish religion only, but all that feared the Lord among all people, as Aben Ezra observes; such as fear the Lord and his goodness, and have had an experience of his grace and mercy, which has caused them to fear him; and to whom the mercy of God is great, and on whom it is from everlasting to everlasting; and therefore should speak well of it, and set their seal to it, that it abides for ever;... read more
Matthew Henry's Complete Commentary - Psalms 118:1-18
It appears here, as often as elsewhere, that David had his heart full of the goodness of God. He loved to think of it, loved to speak of it, and was very solicitous that God might have the praise of it and others the comfort of it. The more our hearts are impressed with a sense of God's goodness the more they will be enlarged in all manner of obedience. In these verses, I. He celebrates God's mercy in general, and calls upon others to acknowledge it, from their own experience of it (Ps.... read more