For the Lord gives wisdom, and from his mouth comes knowledge and understanding.

Remove perverse speech from your mouth; keep devious talk far from your lips.

For my mouth speaks truth, and my lips hate wickedness.

All the words of my mouth are righteous; there is nothing in them twisted or crooked.

The tongue of the wise treats knowledge correctly, but the mouth of the fool spouts out folly.

The discerning heart seeks knowledge, but the mouth of fools feeds on folly.

The heart of the righteous considers how to answer, but the mouth of the wicked pours out evil things.

The words of a person's mouth are like deep waters, and the fountain of wisdom is like a flowing brook.

The lips of a fool enter into strife, and his mouth invites a flogging.

The mouth of a fool is his ruin, and his lips are a snare for his life.

From the fruit of a person's mouth his stomach is satisfied, with the product of his lips is he satisfied.

The sluggard plunges his hand in the dish, and he will not even bring it back to his mouth!

A crooked witness scorns justice, and the mouth of the wicked devours iniquity.

Bread gained by deceit tastes sweet to a person, but afterward his mouth will be filled with gravel.

The one who goes about gossiping reveals secrets; therefore do not associate with someone who is always opening his mouth.

The one who guards his mouth and his tongue keeps his life from troubles.

The mouth of an adulteress is like a deep pit; the one against whom the Lord is angry will fall into it.

Wisdom is unattainable for a fool; in court he does not open his mouth.

Like legs that hang limp from the lame, so is a proverb in the mouth of fools.

Like a thorn that goes into the hand of a drunkard, so is a proverb in the mouth of a fool.

The sluggard plunges his hand in the dish; he is too lazy to bring it back to his mouth.

A lying tongue hates those crushed by it, and a flattering mouth works ruin.

Let another praise you, and not your own mouth; someone else, and not your own lips.

The one whose appetite is satisfied loathes honey, but to the hungry mouth every bitter thing is sweet.

This is the way of an adulterous woman: she eats and wipes her mouth and says, "I have not done wrong."

If you have done foolishly by exalting yourself or if you have planned evil, put your hand over your mouth!

Open your mouth on behalf of those unable to speak, for the legal rights of all the dying.

Open your mouth, judge in righteousness, and plead the cause of the poor and needy.

She opens her mouth with wisdom, and loving instruction is on her tongue.