Let no corrupt word proceed out of your mouth, but what is good for necessary edification, that it may impart grace to the hearers.
Ephesians 4:29
Surrounding context
4:28 Let him who stole steal no longer, but rather let him labor, working with his hands what is good, that he may have something to give him who has need.
4:29 Let no corrupt word proceed out of your mouth, but what is good for necessary edification, that it may impart grace to the hearers.
4:30 And do not grieve the Holy Spirit of God, by whom you were sealed for the day of redemption.