Thou shalt increase my greatness - Thou wilt not merely restore me to my former condition, but wilt enlarge my happiness, and wilt do still greater things for me.

And comfort me on every side - literally, "Thou wilt turn thyself; thou wilt comfort me." The word also means to surround; to encompass Genesis 2:11, Genesis 2:13; 1 Kings 7:24; Psalm 18:5; and the idea here may be that God would "go around him," or encircle him, and would thus comfort him. This idea is expressed in our common version. It was the confident assurance of entire, or complete consolation.

Thou shalt increase my greatness - Thou wilt restore me to my throne and kingdom; and it shall be done in such a way that all shall see it was the hand of God; and I shall have the more honor on the account.

Comfort me on every side - I shall have friends in all quarters; and the tribes on all sides will support me.

Thou shalt increase my greatness,.... His temporal greatness, as he did, by crushing the rebellion of his son; returning him to his palace and family; and giving him rest from his enemies all around: and his spiritual greatness, by favouring him with his presence; by shedding abroad his love in his heart; by enlarging his experience; increasing his faith, causing his love to abound, and him to grow in every grace, and in the knowledge of Christ;

and comfort me on every side; by his Spirit, word, and ordinances; by his truths and promises; with his rod and staff; and with mercy, grace, and lovingkindness. The phrase denotes the abundance of comfort, which should come as it were from every quarter, and encompass him about.

Thou shalt increase my greatness, and comfort me on every side.

21. increase, &c.-that is, the great things done for me (Ps 71:19; compare Ps 40:5).

71:14-24 The psalmist declares that the righteousness of Christ, and the great salvation obtained thereby, shall be the chosen subject of his discourse. Not on a sabbath only, but on every day of the week, of the year, of his life. Not merely at stated returns of solemn devotion, but on every occasion, all the day long. Why will he always dwell on this? Because he knew not the numbers thereof. It is impossible to measure the value or the fulness of these blessings. The righteousness is unspeakable, the salvation everlasting. God will not cast off his grey-headed servants when no longer capable of labouring as they have done. The Lord often strengthens his people in their souls, when nature is sinking into decay. And it is a debt which the old disciples of Christ owe to succeeding generations, to leave behind them a solemn testimony to the advantage of religion, and the truth of God's promises; and especially to the everlasting righteousness of the Redeemer. Assured of deliverance and victory, let us spend our days, while waiting the approach of death, in praising the Holy One of Israel with all our powers. And while speaking of his righteousness, and singing his praises, we shall rise above fears and infirmities, and have earnests of the joys of heaven. The work of redemption ought, above all God's works, to be spoken of by us in our praises. The Lamb that was slain, and has redeemed us to God, is worthy of all blessing and praise.