Matthew 15:17
Do you not yet understand that whatever enters the mouth passes into the belly, and is cast out into the sink?
1 Corinthians 6:13
Meats for the stomach, and the stomach for meats; but God will destroy both it and them. But the body is not for lewdness, but for the Lord, and the Lord for the body:
Matthew 7:19-20
Every tree that does not produce goodly fruit, is cut down and thrown into the fire.
Luke 6:45
The good man, out of the good treasury of his heart, brings forth that which is good; and the evil man, out of the evil treasury of his heart, brings forth that which is evil. For out of the abundance of his heart his mouth speaks.
Colossians 2:21-22
Touch not, taste not, handle not,
James 3:6
And the tongue is a fire, the world of iniquity. So is the tongue placed among our members, defiling the whole body, setting on fire the course of life, and being set on fire by hell.