King James Version (KJV)
Yea, my reins shall rejoice, when thy lips speak right things.
Modern English
My inmost being will exult when your lips speak what is right.
Hebrew
וְ֭תַעְלֹזְנָה כִּלְיוֹתָ֑י בְּדַבֵּ֥ר שְׂ֝פָתֶ֗יךָ מֵישָׁרִֽים׃
vtaʿloznah kilyvotay bdaber shpateyka meyshariym