Whoever speaks the truth gives honest advice, but a false witness utters deceit.

Proverbs 12:17

Truthful lips endure forever, but a lying tongue is but for a moment.

Proverbs 12:19

Lying lips are an abomination to the LORD, but those who act faithfully are his delight.

Proverbs 12:22

A dishonest man spreads strife, and a whisperer separates close friends.

Proverbs 16:28

A man of crooked heart does not discover good, and one with a dishonest tongue falls into calamity.

Proverbs 17:20

Whoever gives an honest answer kisses the lips.

Proverbs 24:26

To make an apt answer is a joy to a man, and a word in season, how good it is!

Proverbs 15:23

The lips of the righteous know what is acceptable, but the mouth of the wicked, what is perverse.

Proverbs 10:32

A word fitly spoken is like apples of gold in a setting of silver.

Proverbs 25:11

A gentle tongue is a tree of life, but perverseness in it breaks the spirit.

Proverbs 15:4

The mouth of the righteous is like a fountain of life, but the mouth of teh wicked conceals violence.

Proverbs 10:11

Gracious words are like a honeycomb, sweetness to the soul and health to the body.

Proverbs 16:24

There is one whose rash words are like sword thrusts, but the tongue of the wise brings healing.

Proverbs 12:18

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

Proverbs 15:28

If one gives an answer before he hears, it is folly and shame.

Proverbs 18:13

Whoever restrains his words has knowledge, and he who has a cool spirit is a man of understanding.

Proverbs 17:27

When words are many, transgression is not lacking, but whoever restrains his lips is prudent.

Proverbs 10:19

Even a fool who keeps silent is considered wise; when he closes his lips, he is deemed intelligent.

Proverbs 10:19