Proverbs 23:16

¹⁴ Strike him with a rod, and you will deliver his soul from Sheol.

¹⁵ My son, if your heart is wise, my own heart will indeed rejoice.

My inmost being will rejoice when your lips speak what is right.

¹⁷ Do not let your heart envy sinners, but always continue in the fear of the LORD.

¹⁸ For surely there is a future, and your hope will not be cut off.

Do read the surrounding verses too, because the context often says more than a single verse.

Compare

BSB: My inmost being will rejoice when your lips speak what is right.
KJV: Yea, my reins shall rejoice, when thy lips speak right things.
WEB: Yes, my heart will rejoice when your lips speak what is right.
ASV: Yea, my heart will rejoice, When thy lips speak right things.
DARBY: and my reins shall exult, when thy lips speak right things.
BLB: And my kidneys will exult at the speaking of uprightness [by] your lips.

ÅB: og jeg skal juble i mitt indre når dine lepper taler det som rett er.
OTB: mitt innerste vesen vil fryde seg når dine lepper taler det som er rett.
B1930: og jeg skal juble i mitt indre når dine leber taler det som rett er.

Proverbs 8:6
Listen, for I speak of noble things, and the opening of my lips will reveal right.
Read in context
Ephesians 5:4
Nor should there be obscenity, foolish talk, or crude joking, which are out of character, but rather thanksgiving.
Read in context
James 3:2
We all stumble in many ways. If anyone is never at fault in what he says, he is a perfect man, able to control his whole body.
Read in context
Ephesians 4:29
Let no unwholesome talk come out of your mouths, but only what is helpful for building up the one in need and bringing grace to those who listen.
Read in context
Colossians 4:4
Pray that I may declare it clearly, as I should.
Read in context