Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
LXX2012

Psalms 17:21

For I have kept the way of the Lord and have not wickedly departed from my God.

Parallel Translations

LXXView canonical →
And the Lord will recompense me according to my righteousness; even according to the purity of my hands will he recompense me.
Brenton's Septuagint Translation