As the foregoing psalm was a prayer for the king that God would protect and prosper him, so this is a thanksgiving for the success God had blessed him with. Those whom we have prayed for we ought to give thanks for, and particularly for kings, in whose prosperity we share. They are here taught, I.

The Subject’s Thanksgiving. To the chief musician. A psalm of David. 1 The king shall joy in thy strength, O Lord; and in thy salvation how greatly shall he rejoice! 2 Thou hast given him his heart’s desire, and hast not withholden the request of his lips. Selah.

The psalmist, having taught his people to look back with joy and praise on what God had done for him and them, here teaches them to look forward with faith, and hope, and prayer, upon what God would further do for them: The king rejoices in God , and therefore we will be thankful; the king trusteth…