Proverbs 15:28
The heart of the just one shall meditate to answer: and the mouth of the unjust shall gush out evil.
1 Peter 3:15
And consecrate the Lord God in your hearts: and being ready always for a justification to every one asking you the word of the hope in you with meekness and fear:
Proverbs 15:2
The tongue of the wise will make knowledge good: and the mouth of the foolish will gush forth folly.
1 Kings 3:23-28
And the king will say, This says, My son the living, and thy son the dead; and this says, Nay; for thy son the dead, and my son the living.
Proverbs 10:19
In the multitude of words transgression shall not cease: and he withholding his lips is prudent
Proverbs 13:16
Every prudent one will do in knowledge: and the foolish one will spread folly.
Proverbs 16:23
The heart of the wise shall attend to his mouth, and he shall add knowledge to his lips.
Proverbs 29:11
The foolish one will bring forth all his spirit; and the wise one will restrain it back.
Proverbs 29:20
Thou sawest a man hasty in his words: hope to the foolish one more than to him.
Ecclesiastes 5:2
Thou shalt not hasten with thy mouth, and thy heart shall not be quick to bring forth a word to the face of God: for God is in the heavens, and thou upon the earth: for this thy words shall be few.
Ecclesiastes 5:6
Thou shalt not give thy mouth to cause thy flesh to sin; and thou shalt not say to the face of the messenger that it is an error: wherefore shall God be angry at thy voice, and destroy the work of thy hands?
Ecclesiastes 10:12-14
The words of the wise one's mouth, grace; and the lips of the foolish one shall swallow him down.
Matthew 12:34
O generation of vipers! how can ye speak good things, being evil? for out of the abundance of the heart the month speaks.
Titus 1:10-11
For many also are disorderly, vain talkers and infatuates, especially they of the circumcision:
James 3:6-8
(And the tongue a fire, a world of iniquity: so the tongue is placed in our members, defiling the whole body, and burning the wheel of creation; and burned by hell.
2 Peter 2:18
For speaking excessive things of vanity, they decoy with the eager desires of the flesh, for licentiousness, them having truly escaped from those turned back in error.