Charles H. Spurgeon on Psalms 115:15

Blessed are ye, etc. Ye are the people blessed of old in the person of your father Abraham, by Melchizedek, priest of the Most High God, "Creator of heaven and earth, "Ge 14:19. "Of Jehovah, " literally, to Jehovah, as an object of benediction to him. Or the Hebrew proposition, as in many other cases, may be simply equivalent to our by. The creative character of God is mentioned, as ensuring his ability, no less than his willingness, to bless his people. Joseph Addison Alexander.