John Gills Exposition of the Bible Commentary - Psalms 51:19
Then shall thou be pleased with the sacrifices of righteousness ,.... Which must be different from the legal ones he desired not, and did not delight in, Psalm 51:16 ; but design sacrifices under the Gospel dispensation, as the word "then" shows, which connects this verse with Psalm 51:18 , and in the first place intend the sacrifice of Christ, which is of a sweet smelling savour to God; and his righteousness, with which he is well pleased, because the law is magnified and made... read more
Matthew Henry's Complete Commentary - Psalms 51:14-19
I. David prays against the guilt of sin, and prays for the grace of God, enforcing both petitions from a plea taken from the glory of God, which he promises with thankfulness to show forth. 1. He prays against the guilt of sin, that he might be delivered from that, and promises that then he would praise God, Ps. 51:14. The particular sin he prays against is blood-guiltiness, the sin he had now been guilty of, having slain Uriah with the sword of the children of Ammon. Hitherto perhaps he had... read more