Proverbs 10:31
The mouth of a righteous man brings forth wisdom, but the perverse tongue shall be cut off.
Psalm 37:30
The mouth of a righteous man talks of wisdom, and his tongue speaks justice.
Proverbs 10:13
In the lips of him who has discernment wisdom is found, but a rod is for the back of him who is void of understanding.
Psalm 31:18
Let the lying lips be dumb, which speak against the righteous man insolently, with pride and contempt.
Psalm 63:11
But the king shall rejoice in God. Everyone who swears by him shall glory, for the mouth of those who speak lies shall be stopped.
Psalm 120:3-4
What shall be given to thee, and what shall be done more to thee, thou deceitful tongue?
Proverbs 10:11
The mouth of a righteous man is a fountain of life, but violence covers the mouth of the wicked.
Proverbs 10:20-21
The tongue of a righteous man is choice silver. The heart of the wicked is little worth.