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

Psalms 88:34

But my mercy I will not utterly remove from him, nor wrong my truth.

Parallel Translations

LXX2012View canonical →
Neither will I by any means profane my covenant; and I will not make void the things that proceed out of my lips.
Septuagint in American English (2012)