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

Psalms 39:17

But I am poor and needy; the Lord will take care of me; you are my helper, and my defender, O my God, delay not.

Parallel Translations

LXXView canonical →
Let all those that seek thee, O Lord, exult and rejoice in thee; and let them that love thy salvation say continually, The Lord be magnified.
Brenton's Septuagint Translation