Psalms 118:3

Matthew Henry on 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 (Psa 118:1): O give thanks unto the Lord, for he is not only good in himself, but good to you, and his mercy endures for ever, not only in the everlasting fountain, God himself, but in the never-failing streams of…

John Gill on Psalms 118:3

Let the house of Aaron now say, that his mercy endureth for ever. The priests and Levites that blessed the people, and taught them the knowledge of divine things; but not these literally, at least not only these, since the priesthood of Aaron is changed, and the law of it abrogated, and all believers are now priests unto God, and offer up spiritual sacrifices to him; and particularly the sacrifice of praise for his grace and mercy, the perpetuity of which they should publish and proclaim all abroad.

John Calvin on Psalms 118:1-4

Psalm 118:1-4 1. Praise ye Jehovah; because he is good: because his mercy endureth for ever. 2. Let Israel now [388] say, that his mercy endureth for ever. 3. Let the house of Aaron now say, that his mercy endureth for ever. 4. Let those who fear Jehovah now say, that his mercy endureth for ever. 1 Praise ye Jehovah In this passage we see that David does not merely in a private capacity render thanks to God, but that he loudly summons the people to engage in the common exercises of piety. This he does, not simply from his having been divinely appointed to be the captain and teacher of others; but, God having invested him with royal power, had manifested his sympathy with his distressed Chu…

Keil & Delitzsch