Proverbs 15:28
The heart of the righteous studieth to answer; But the mouth of the wicked poureth out evil things.
1 Peter 3:15
but sanctify in your hearts Christ as Lord: being ready always to give answer to every man that asketh you a reason concerning the hope that is in you, yet with meekness and fear:
Proverbs 15:2
The tongue of the wise uttereth knowledge aright; But the mouth of fools poureth out folly.
1 Kings 3:23-28
Then said the king, The one saith, This is my son that liveth, and thy son is the dead: and the other saith, Nay; but thy son is the dead, and my son is the living.
Proverbs 10:19
In the multitude of words there wanteth not transgression; But he that refraineth his lips doeth wisely.
Proverbs 13:16
Every prudent man worketh with knowledge; But a fool flaunteth his folly.
Proverbs 16:23
The heart of the wise instructeth his mouth, And addeth learning to his lips.
Proverbs 29:11
A fool uttereth all his anger; But a wise man keepeth it back and stilleth it.
Proverbs 29:20
Seest thou a man that is hasty in his words? There is more hope of a fool than of him.
Ecclesiastes 5:2
Be not rash with thy mouth, and let not thy heart be hasty to utter anything before God; for God is in heaven, and thou upon earth: therefore let thy words be few.
Ecclesiastes 5:6
Suffer not thy mouth to cause thy flesh to sin; neither say thou before the angel, that is was an error: wherefore should God be angry at thy voice, and destroy the work of thy hands?
Ecclesiastes 10:12-14
The words of a wise man's mouth are gracious; but the lips of a fool will swallow up himself.
Matthew 12:34
Ye offspring of vipers, how can ye, being evil, speak good things? for out of the abundance of the heart the mouth speaketh.
Titus 1:10-11
For there are many unruly men, vain talkers and deceivers, specially they of the circumcision,
James 3:6-8
And the tongue is a fire: the world of iniquity among our members is the tongue, which defileth the whole body, and setteth on fire the wheel of nature, and is set on fire by hell.
2 Peter 2:18
For, uttering great swelling words of vanity, they entice in the lusts of the flesh, by lasciviousness, those who are just escaping from them that live in error;