Proverbs 10:11
The mouth of a righteous man is a fountain of life; but the mouth of the wicked covereth violence.
Proverbs 10:6
Blessings are upon the head of a righteous man; but the mouth of the wicked covereth violence.
Proverbs 13:14
The teaching of the wise man is a fountain of life, to turn away from the snares of death.
Proverbs 18:4
The words of a man's mouth are deep waters, and the fountain of wisdom is a gushing brook.
Psalm 37:30-31
The mouth of the righteous proffereth wisdom, and his tongue speaketh judgment;
Psalm 107:42
The upright shall see it, and rejoice; and all unrighteousness shall stop its mouth.
Proverbs 10:20-21
The tongue of the righteous man is as choice silver; the heart of the wicked is little worth.
Proverbs 10:32
The lips of a righteous man know what is acceptable; but the mouth of the wicked is frowardness.
Proverbs 15:7
The lips of the wise disperse knowledge, but not so the heart of the foolish.
Proverbs 16:22-24
Wisdom is a fountain of life for him that hath it; but the instruction of fools is folly.
Proverbs 20:15
There is gold, and a multitude of rubies; but the lips of knowledge are a precious Jewel.
Ecclesiastes 10:12-14
The words of a wise man's mouth are gracious; but the lips of a fool swallow up himself.
Matthew 12:34-37
Offspring of vipers! how can ye speak good things, being wicked? For of the abundance of the heart the mouth speaks.
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.
James 3:5-8
Thus also the tongue is a little member, and boasts great things. See how little a fire, how large a wood it kindles!