Cross reference
Proverbs 23:16
16 Yea, my reins shall rejoice, when thy lips speak right things.
Proverbs 8:6
6 Hear; for I will speak of excellent things; and the opening of my lips shall be right things.
Ephesians 4:29
29 Let no corrupt communication proceed out of your mouth, but that which is good to the use of edifying, that it may minister grace unto the hearers.
Ephesians 5:4
4 Neither filthiness, nor foolish talking, nor jesting, which are not convenient: but rather giving of thanks.
Colossians 4:4
4 That I may make it manifest, as I ought to speak.
James 3:2
2 For in many things we offend all. If any man offend not in word, the same is a perfect man, and able also to bridle the whole body.