Psalm 51: 7-13
7 Purge me with hyssop, and I shall be clean;
wash me, and I shall be whiter than snow.
8 Let me hear joy and gladness;
let the bones that you have broken rejoice.
9 Hide your face from my sins,
and blot out all my iniquities.
10 Create in me a clean heart, O God,
and renew a right[b] spirit within me.
11 Cast me not away from your presence,
and take not your Holy Spirit from me.
12 Restore to me the joy of your salvation,
and uphold me with a willing spirit.
13Then I will teach transgressors your ways,
and sinners will return to you.
The pain of a heart truly broken for sin may well be compared to that of a broken bone’ and it is the same Spirit who as a Spirit of bondage smites and wounds and as a Spirit of adoption heals and binds up.
He does not pray, “Lord, preserve me my reputation,” as Saul, I have sinned yet honour me before this people. No; his great concern is to get his corrupt nature changed.
He prays, Lord renew a right spirit within me; repair the decays of spiritual strength which this sin has been the cause of, and set me to rights again.
David finds two ill effects of his sin:
1. It had made him sad.
By willful sin we forfeit this joy and deprive ourselves of it; our evidences cannot but be clouded and our hopes shaken.
Those that sow in penitential tears shall reap in the joys of God’s salvation when the times of refreshing shall come.
2. It had made him weak.
If I be left to myself, I shall certainly sink.
By this psalm, he is, and will be to the world’s end, teaching transgressors, telling them what God had done for his soul. Note, Penitents should be preachers. Solomon was so, and blessed Paul.
Matthew Henry, Commentary of the Bible, Psalm LI, vs. 7-13, highlights (these were taken from my reading and underlining of key concepts on November 14, 1987)