Matthew 15:17
Do you not understand that whatever enters the mouth passes into the stomach and is afterwards ejected from the body?
1 Corinthians 6:13
Food of all kinds is meant for the stomach, and the stomach is meant for food, and God will cause both of them to perish. Yet the body does not exist for the purpose of fornication, but for the Master's service, and the Master exists for the body;
Matthew 7:19-20
Every tree which does not yield good fruit is cut down and thrown aside for burning.
Luke 6:45
A good man from the good stored up in his heart brings out what is good; and an evil man from the evil stored up brings out what is evil; for from the overflow of his heart his mouth speaks.
Colossians 2:21-22
"Do not handle this;" "Do not taste that;" "Do not touch that other thing" --
James 3:6
And the tongue is a fire. That world of iniquity, the tongue, is placed within us spotting and soiling our whole nature, and setting the whole round of our lives on fire, being itself set on fire by Gehenna.