(16) Long Life.--The promise of a long life, while in accordance with the general feeling of the Old Testament, is peculiarly appropriate at the close of this psalm, which all through speaks of protection from danger that threatened life.

Verse 16. - With long life (or, length of days) will I satisfy him. Length of days is always viewed in the Old Testament as a blessing, and a special reward for obedience (Exodus 20:12; Deuteronomy 5:16; 2 Kings 20:6; 2 Chronicles 1:11; Psalm 21:4; Proverbs 3:2, 16, etc.). It is only in the New Testament that we learn how much "better" it is "to depart, and be with Christ" (Philippians 1:23). And show him my salvation (comp. Psalm 50:23); i.e. "make him experience what salvation is." "Salvation," as Professor Cheyne observes, "is both an act and a state" - an act on God's part, a state on man's.

91:9-16 Whatever happens, nothing shall hurt the believer; though trouble and affliction befal, it shall come, not for his hurt, but for good, though for the present it be not joyous but grievous. Those who rightly know God, will set their love upon him. They by prayer constantly call upon him. His promise is, that he will in due time deliver the believer out of trouble, and in the mean time be with him in trouble. The Lord will manage all his worldly concerns, and preserve his life on earth, so long as it shall be good for him. For encouragement in this he looks unto Jesus. He shall live long enough; till he has done the work he was sent into this world for, and is ready for heaven. Who would wish to live a day longer than God has some work to do, either by him or upon him? A man may die young, yet be satisfied with living. But a wicked man is not satisfied even with long life. At length the believer's conflict ends; he has done for ever with trouble, sin, and temptation.With long life will I satisfy him,.... In this world: the saints live in it as long as they choose to live; and when they come to die, be it when it will, they are, like Abraham, full of years, or satisfied with them; they have had enough of them, and would not live always here; but, with good old Simeon, desire to depart in peace; and in the other world they shall be satisfied with length of days, for ever and ever, even with eternal life; and nothing short of this will satisfy a good man:

and show him my salvation; Jesus Christ, the author of salvation, whom God appointed to do it, and who has finished it; salvation itself, wrought out by him; its fulness and suitableness, and interest in it; and also eternal glory and happiness, the completion and consummation of salvation: the former is shown unto and seen by faith here; the latter will be seen and enjoyed in heaven to all eternity. Aben Ezra and Kimchi refer this salvation to the days of the Messiah.