But those things which proceed out of the mouth come forth from the heart; and they defile the man.
Not that which goeth into the mouth defileth a man; but that which cometh out of the mouth, this defileth a man.
O generation of vipers, how can ye, being evil, speak good things? for out of the abundance of the heart the mouth speaketh.
1 Samuel 24:13
As saith the proverb of the ancients, Wickedness proceedeth from the wicked: but mine hand shall not be upon thee.
The words of his mouth are iniquity and deceit: he hath left off to be wise, and to do good.
A naughty person, a wicked man, walketh with a froward mouth.
The lips of the righteous know what is acceptable: but the mouth of the wicked speaketh frowardness.
The tongue of the wise useth knowledge aright: but the mouth of fools poureth out foolishness.
The heart of the righteous studieth to answer: but the mouth of the wicked poureth out evil things.
And he saith unto him, Out of thine own mouth will I judge thee, thou wicked servant. Thou knewest that I was an austere man, taking up that I laid not down, and reaping that I did not sow:
And the tongue is a fire, a world of iniquity: so is the tongue among our members, that it defileth the whole body, and setteth on fire the course of nature; and it is set on fire of hell.
For every kind of beasts, and of birds, and of serpents, and of things in the sea, is tamed, and hath been tamed of mankind:
But the tongue can no man tame; it is an unruly evil, full of deadly poison.
Therewith bless we God, even the Father; and therewith curse we men, which are made after the similitude of God.
Out of the same mouth proceedeth blessing and cursing. My brethren, these things ought not so to be.
And there was given unto him a mouth speaking great things and blasphemies; and power was given unto him to continue forty and two months.
And he opened his mouth in blasphemy against God, to blaspheme his name, and his tabernacle, and them that dwell in heaven.