Verses 1-3

Psalm 71:1-24. The Psalmist, probably in old age, appeals to God for help from his enemies, pleading his past favors, and stating his present need; and, in confidence of a hearing, he promises his grateful thanks and praise.

(Compare Psalm 30:1-3).

Verse 3

given commandment — literally, “ordained,” as in Psalm 44:4; Psalm 68:28.

rock  …  fortress — (Psalm 18:2).

Verse 4-5

cruel man — corrupt and ill-natured - literally, “sour.”

Verse 5

trust — place of trust.

Verses 6-9

His history from early infancy illustrated God‘s care, and his wonderful deliverances were at once occasions of praise and ground of confidence for the future.

my praise  …  of thee — literally, “in” or “by Thee” (Psalm 22:25).

Verse 10-11

The craft and malicious taunts of his enemies now led him to call for aid (compare the terms used, 2 Samuel 17:12; Psalm 3:2; Psalm 7:2).

Verse 12

(Compare Psalm 22:19; Psalm 40:4).

Verse 13

(Compare Psalm 35:4; Psalm 40:14).

Verses 14-16

The ruin of his enemies, as illustrating God‘s faithfulness, is his deliverance, and a reason for future confidence.

Verse 15

for I know … thereof — innumerable, as he had not time to count them.

Verse 16

in the strength — or, relying on it.

thy righteousness — or, faithful performance of promises to the pious (Psalm 7:17; Psalm 31:1).

Verses 17-21

Past experience again encourages.

taught me, etc. — by providential dealings.

Verse 19

is very high — distinguished (Psalm 36:5; Isaiah 55:9).

Verse 20

depths of the earth — debased, low condition.

Verse 21

increase, etc. — that is, the great things done for me (Psalm 71:19; compare Psalm 40:5).

Verses 22-24

To the occasion of praise he now adds the promise to render it.

will … praise — literally, “will thank.”

even thy truth — as to Thy truth or faithfulness.