Proverbs 23:16 KJV

Yea, my reins shall rejoice, when thy lips speak right things.
Proverbs 23:16, King James Version

In context

15 My son, if thine heart be wise, my heart shall rejoice, even mine.

16 Yea, my reins shall rejoice, when thy lips speak right things.

17 Let not thine heart envy sinners: but be thou in the fear of the Lord all the day long.