Psalms 89:3 - Exposition

I have made a covenant with my chosen. There is an ellipse of "for thou hast said," which Professor Cheyne supplies. God's promise to David is the entire foundation of the psalmist's hope and confidence. He therefore places it briefly in the very forefront—afterwards expanding it into the beautiful passage, which forms more than one-third of the entire composition ( Psalms 89:19-37 ). I have sworn unto David my servant .