19 Then you will delight in the sacrifices of the righteous,
in burnt offerings offered whole;
then bulls will be offered on your altar. Psalm 51:19

In verse 16, David said “you do not delight in sacrifices” but in this verse he stated that the Lord would “delight in the sacrifices of the righteous”, so why the apparent contradiction within 4 verses?

Simply put, it’s a heart issue. If you’re doing it for the wrong reasons, i.e., to be noticed, for praise from others, everyone else is doing it, etc., then the sacrifice is something the Lord doesn’t delight in. But if the motives are pure and you’re doing it out of a heart of gratitude and love for Christ, it makes a world of difference. It doesn’t mean He can’t or won’t “bless” the sacrifice of the heart that’s not right, but He doesn’t delight in it.

It doesn’t take a lot on our part to bring delight to the Lord. Put another way, having the Lord smile down upon us is probably a good place to be in on most days!