David
Psalm 63:11ESV·traditional attribution

But the king shall rejoice in God; all who swear by him shall exult, for the mouths of liars will be stopped.

John Calvin Reformed @genevareformer

PSALM 63 The following psalm cannot so properly be said to consist of prayers as of a variety of pious meditations, which comforted the mind of David under dangers, anxieties, and troubles of a severe description. It contains the vows too which he made to God in the distress occasioned by the alarming circumstances in which he was placed.

Commenting on Psalm 63:1-11

C.H. Spurgeon Reformed Baptist @princeofpreachers

But the king shall rejoice in God. Usurpers shall fade, but he shall flourish; and his prosperity shall be publicly acknowledged as the gift of God. The Lord's anointed shall not fail to offer his joyful thanksgiving: his well established throne shall own the superior lordship of the King of kings; his rejoicing shall be alone in God.

Matthew Henry Presbyterian @wholebiblehenry

David, having expressed his desires towards God and his praises of him, here expresses his confidence in him and his joyful expectations from him (Psa 63:7): In the shadow of thy wings I will rejoice, alluding either to the wings of the cherubim stretched out over the ark of the covenant, between which God is said to dwell ("I will rejoice in thy oracles, and...

Commenting on Psalm 63:7-11