Matthew 15:17
Do you not understand that whatever goes into the mouth passes into the stomach, and is cast out on the earth?
1 Corinthians 6:13
Food for the stomach, and the stomach for food; but God will destroy both it and them. And the body is not for fornication but for the Lord; and the Lord for the body;
Matthew 7:19-20
Every tree which bears not good fruit is cut down and cast into the fire.
Luke 6:45
The good man out of the good treasury of his heart brings forth good, and the evil man out of the evil brings forth evil; for out of the abundance of the heart its mouth speaks.
James 3:6
And the tongue is a fire, the tongue is made a world of wickedness among our members, it defiles the whole body and sets on fire the course of nature and is set on fire by hell.