Proverbs 10:32

Righteous lips know what is prudent, but the words of the wicked are perverse.

Ecclesiastes 12:10

The Teacher searched to find appropriate expressions, and what is written here is right and truthful.

Proverbs 2:12

delivering you from the way of evil, from men who speak perverse things,

Proverbs 11:11

Through the blessing of the righteous a city is built up, but what the wicked say tears it down.

Proverbs 12:6

The words of the wicked lead to bloodshed, but the speech of the upright delivers them.

Proverbs 12:18

Some speak rashly like the cutting of a sword, but what the wise say promotes healing.

Proverbs 15:2

The wise speak, presenting knowledge appropriately, but fools spout foolishness.

Proverbs 15:28

The mind of the righteous thinks before speaking, but the wicked person spews out evil.

Proverbs 18:6-8

A fool's words bring strife, and his mouth invites fighting.

Ecclesiastes 10:12

The words spoken by the wise are gracious, but the lips of a fool will devour him.

Daniel 4:27

Therefore, your majesty, may my advice be acceptable to you: Stop your sinning, do what's right, and put a stop to your wickedness by showing kindness to the oppressed. Perhaps your tranquility will continue."

Titus 2:8

Use wholesome speech that cannot be condemned. Then any opponent will be ashamed because he cannot say anything bad about us.

Treasury of Scripture Knowledge

Summary

The lips of the righteous know what is acceptable: but the mouth of the wicked speaketh frowardness.

General references

Bible References

Know

Ecclesiastes 12:10
The Teacher searched to find appropriate expressions, and what is written here is right and truthful.
Daniel 4:27
Therefore, your majesty, may my advice be acceptable to you: Stop your sinning, do what's right, and put a stop to your wickedness by showing kindness to the oppressed. Perhaps your tranquility will continue."
Titus 2:8
Use wholesome speech that cannot be condemned. Then any opponent will be ashamed because he cannot say anything bad about us.

General references

Matthew 15:18
But the things that come out of the mouth come from the heart, and it is those things that make a person unclean.

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