Matthew 15:18
But the things that proceed out of the mouth come forth out of the heart; and these defile the man.
Matthew 12:34
"Broods of vipers! how can ye speak good things, being yourselves evil? For, out of the abundance of the heart, the mouth speaks.
Matthew 15:11
Not that which enters into the mouth defiles the man; but that which proceeds out of the mouth??his defiles the man."
James 3:6-10
And the tongue is a fire, the world of iniquity! the tongue is placed among our members, as that which defiles the whole body, and sets on fire the course of life, and is set on fire by Hell.
Luke 19:22
He says to him, 'Out of your own mouth will I judge you, O evil servant! You knew that I am a harsh man, taking up what I did not lay down, and reaping where I did not sow;
Revelation 13:5-6
And there was given to him a mouth speaking great things and blasphemies; and authority was given him to work forty-two months.