Proverbs 10:31
The mouth of the upright man is budding with wisdom, but the twisted tongue will be cut off.
Psalm 37:30
The mouth of the good man says words of wisdom; the talk of his tongue is of righteousness.
Proverbs 10:13
In the lips of him who has knowledge wisdom is seen; but a rod is ready for the back of him who is without sense.
Psalm 31:18
Let the false lips be shut, which say evil against the upright, looking down on him in their pride.
Proverbs 10:11
The mouth of the upright man is a fountain of life, but the mouth of the evil-doer is a bitter cup.
Proverbs 10:20-21
The tongue of the upright man is like tested silver: the heart of the evil-doer is of little value.