Matthew 15:18
But the things which go forth out of the mouth, come out of the heart, and they are the things which defile a man:
Matthew 12:34
Ye broods of vipers, how can ye speak good things, yourselves being wicked? for out of the abundance of the heart the mouth speaketh.
Matthew 15:11
not that which goeth into the mouth defileth a man; but what cometh out of the mouth, that defileth the man.
James 3:6-10
And the tongue is a fire, a world of iniquity: in such manner is the tongue placed among our members, that it defileth all the body, and setteth on fire the circle of nature; and is set on fire of hell.
Luke 19:22
And he said to him, Out of thine own mouth will I judge thee, thou wicked servant. Thou knewest that I am an austere man, taking up what I laid not down, and reaping what I did not sow;
Revelation 13:5-6
And there was given to him a mouth speaking great things and blasphemies; and there was given to him authority to make war forty-two months.