Proverbs 23:16
and my reins shall exult, when thy lips speak right things.
Proverbs 8:6
Hear, for I will speak excellent things, and the opening of my lips shall be right things.
Ephesians 4:29
Let no corrupt word go out of your mouth, but if there be any good one for needful edification, that it may give grace to those that hear it.
Ephesians 5:4
and filthiness and foolish talking, or jesting, which are not convenient; but rather thanksgiving.
Colossians 4:4
to the end that I may make it manifest as I ought to speak.
James 3:2
For we all often offend. If any one offend not in word, he is a perfect man, able to bridle the whole body too.