Matthew 15:18
But the things that come out of the mouth come from the heart, and they pollute a man.
Matthew 12:34
You brood of snakes! how can you, bad as you are, utter anything good? For the mouth says only what the heart is full of.
Matthew 15:11
"Listen to this, and grasp it! It is not what goes into a man's mouth that pollutes him; it is what comes out of his mouth that pollutes a man."
James 3:6-10
And the tongue is a fire, a world of wrong the tongue proves in our bodies, soiling the whole body and setting fire to the whole round of nature, and set on fire itself by hell.
Luke 19:22
He said to him, 'Out of your own mouth I will convict you, you wretched slave! You knew, did you, that I was a stern man, and that I pick up what I did not lay down, and harvest what I did not sow?
Revelation 13:5-6
It was allowed to utter great boasts and blasphemies, and to exert authority for forty-two months.