David
Psalm 89:49ESV·traditional attribution

Lord, where is your steadfast love of old, which by your faithfulness you swore to David?

John Calvin Reformed @genevareformer

PSALM 89 The prophet who wrote this psalm, whoever he was, in approaching the throne of grace to make supplication to God in behalf of the afflicted Church, lays down, as an encouragement both to himself and the rest of the faithful to cherish good hope, the covenant which God had made with David.

Commenting on Psalm 89:1-52

C.H. Spurgeon Reformed Baptist @princeofpreachers

Lord, where are thy former loving kindnesses, which thou swarest unto David in thy truth? Here he comes to grand pleading, hand to hand work with the covenant angel. We may remind the Lord of his first deeds of love, his former love to his church, his former favour to ourselves.

Matthew Henry Presbyterian @wholebiblehenry

In these verses we have, I. A very melancholy complaint of the present deplorable state of David's family, which the psalmist thinks hard to be reconciled to the covenant God made with David. "Thou saidst thou wouldst not take away thy lovingkindness, but thou hast cast off." Sometimes, it is no easy thing to reconcile God's providences with his promises, and yet we are sure...

Commenting on Psalm 89:38-52