Proverbs 15:28

The heart of the righteous, studieth to answer, but, the mouth of the lawless, belcheth out mischiefs.

1 Peter 3:15

But, the Lord Christ, hallow ye in your hearts, ready always for a defence, unto every one that is asking you a reason concerning, the hope within you, - nevertheless, with meekness and reverence:

Proverbs 15:2

The tongue of the wise, adorneth knowledge, - but, the month of dullards, belcheth out folly.

1 Kings 3:23-28

Then said the king, The one woman, is saying, This, is, my son, the one that liveth, and, thy son, is, the one that is dead, - and, the other, is saying, Nay! but, thy son, is, the dead one, and, my son, the, living.

Proverbs 10:19

In the multitude of words, there wanteth not transgression, but, he that restraineth his lips, sheweth prudence.

Proverbs 13:16

Every prudent man, maketh use of knowledge, but, a dullard, spreadeth folly.

Proverbs 16:23

The heart of the wise, giveth discretion to his mouth, and, upon his lips, increaseth persuasiveness.

Proverbs 29:11

All his anger, doth a dullard let go, but, a wise man, by keeping it back, stilleth it.

Proverbs 29:20

Thou hast seen a man hasty in his words, - there is, more hope of a dullard, than of him.

Ecclesiastes 5:2

Be not rash with thy mouth, and, with thy heart, be not in haste to bring forth a word, before God, - for, God, is in the heavens, and, thou, upon the earth, for this cause, let thy words be few.

Ecclesiastes 5:6

Do not let thy mouth cause thy flesh to sin, - neither say thou, before the messenger, that it was, a mistake, - wherefore should God be indignant at thy voice, and destroy the work of thy hands?

Ecclesiastes 10:12-14

The words of a wise man's mouth, are pleasant, - but, the lips of a dullard, will swallow him up:

Matthew 12:34

Broods of vipers! How can ye speak, good things, being, evil? 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, especially they of the circumcision, -

James 3:6-8

And, the tongue, is a fire, - as , the world of unrighteousness, the tongue, becometh fixed among our members, that which defileth the whole body and setteth on fire the wheel of our natural life, and is set on fire, by gehenna!

2 Peter 2:18

For, great swelling words of vanity, uttering, they entice with carnal covetings - in wanton ways - them who are, well-nigh, escaping from the men who, in error, have their behaviour;

Treasury of Scripture Knowledge

Summary

The heart of the righteous studieth to answer: but the mouth of the wicked poureth out evil things.

General references

Bible References

Heart

Proverbs 15:2
The tongue of the wise, adorneth knowledge, - but, the month of dullards, belcheth out folly.
Proverbs 16:23
The heart of the wise, giveth discretion to his mouth, and, upon his lips, increaseth persuasiveness.
1 Kings 3:23
Then said the king, The one woman, is saying, This, is, my son, the one that liveth, and, thy son, is, the one that is dead, - and, the other, is saying, Nay! but, thy son, is, the dead one, and, my son, the, living.
Ecclesiastes 5:2
Be not rash with thy mouth, and, with thy heart, be not in haste to bring forth a word, before God, - for, God, is in the heavens, and, thou, upon the earth, for this cause, let thy words be few.
1 Peter 3:15
But, the Lord Christ, hallow ye in your hearts, ready always for a defence, unto every one that is asking you a reason concerning, the hope within you, - nevertheless, with meekness and reverence:

General references

Proverbs 14:33
In the heart of the intelligent, reposeth wisdom, but, in the midst of dullards, it maketh itself known.
Matthew 15:18
while, the things which proceed out of the mouth, out of the heart, come forth, and, they, defile the man.