Proverbs 15:28
The heart of a righteous man studieth to answer; but the mouth of the wicked poureth out evil things.
1 Peter 3:15
but sanctify the Lord the Christ in your hearts, and be always prepared to give an answer to every one that asks you to give an account of the hope that is in you, but with meekness and fear;
Proverbs 15:2
The tongue of the wise useth knowledge aright; but the mouth of the foolish poureth out folly.
1 Kings 3:23-28
Then said the king, The one says, This that is living is my son, and thy son is the dead; and the other says, No, for 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 restraineth his lips doeth wisely.
Proverbs 13:16
Every prudent man acteth with knowledge; but the foolish layeth open his folly.
Proverbs 16:23
The heart of the wise maketh his mouth intelligent, and upon his lips increaseth learning.
Proverbs 29:11
A fool uttereth all his mind; but a wise man keepeth it back.
Proverbs 29:20
Hast thou seen a man 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 the heavens, 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 it was an inadvertence. Wherefore should God be wroth 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 swallow up himself.
Matthew 12:34
Offspring of vipers! how can ye speak good things, being wicked? For of the abundance of the heart the mouth speaks.
Titus 1:10-11
For there are many and disorderly vain speakers and deceivers of people's minds, specially those of the circumcision,
James 3:6-8
and the tongue is fire, the world of unrighteousness; the tongue is set in our members, the defiler of the whole body, and which sets fire to the course of nature, and is set on fire of hell.
2 Peter 2:18
For while speaking great highflown words of vanity, they allure with the lusts of the flesh, by dissoluteness, those who have just fled those who walk in error,