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

Psalms 118:171

Let my lips utter a hymn, when you shall have taught me your ordinances.

Parallel Translations

LXXView canonical →
Let my lips utter a hymn, when thou shalt have taught me thine ordinances.
Brenton's Septuagint Translation