Commentary by A. R. FAUSSET
PSALM 71
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.
1-3. (Compare Psa 30:1-3).
3. given commandment—literally, "ordained," as in Psa 44:4; 68:28.
rock...fortress— (Psa 18:2).
4, 5. cruel man—corrupt and ill-natured—literally, "sour."
5. trust—place of trust.
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" (Psa 22:25).
10, 11. The craft and malicious taunts of his enemies now led him to call for aid (compare the terms used, 2Sa 17:12; Psa 3:2; 7:2).
12. (Compare Psa 22:19; 40:4).
13. (Compare Psa 35:4; 40:14).
14-16. The ruin of his enemies, as illustrating God's faithfulness, is his deliverance, and a reason for future confidence.
15. for I know...thereof—innumerable, as he had not time to count them.
16. in the strength—or, relying on it.
thy righteousness—or, faithful performance of promises to the pious (Psa 7:17; 31:1).
17-21. Past experience again encourages.
taught me, etc.—by providential dealings.
19. is very high—distinguished (Psa 36:5; Isa 55:9).
20. depths of the earth—debased, low condition.
21. increase, etc.—that is, the great things done for me (Psa 71:19 ; compare Psa 40:5).
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.