Psalm 37:30
The mouth of the righteous talks of wisdom. His tongue speaks justice.
Psalm 71:15
My mouth will tell about your righteousness, and of your salvation all day, though I don't know its full measure.
Deuteronomy 6:7-9
and you shall teach them diligently to your children, and shall talk of them when you sit in your house, and when you walk by the way, and when you lie down, and when you rise up.
Psalm 71:24
My tongue will also talk about your righteousness all day long, for they are disappointed, and they are confounded, who want to harm me. By Solomon.
Proverbs 10:21
The lips of the righteous feed many, but the foolish die for lack of understanding.
Proverbs 10:31
The mouth of the righteous brings forth wisdom, but the perverse tongue will be cut off.
Proverbs 15:7
The lips of the wise spread knowledge; not so with the heart of fools.
Proverbs 25:11-13
A word fitly spoken is like apples of gold in settings of silver.
Proverbs 27:9
Perfume and incense bring joy to the heart; so does earnest counsel from a man's friend.
Matthew 12:35
The good man out of his good treasure brings out good things, and the evil man out of his evil treasure brings out evil things.
Ephesians 4:29
Let no corrupt speech proceed out of your mouth, but such as is good for building up as the need may be, that it may give grace to those who hear.
Colossians 4:6
Let your speech always be with grace, seasoned with salt, that you may know how you ought to answer each one.