King James Version (KJV) - Deuteronomy 23:23 >

That which is gone out of thy lips thou shalt keep and perform; [even] a freewill offering, according as thou hast vowed unto the LORD thy God, which thou hast promised with thy mouth.

Berean Study Bible (BSB) - Deuteronomy 23:23 >

Be careful to follow through on what comes from your lips, because you have freely vowed to the LORD your God with your own mouth.