Matthew 15:17
"Do not you see that whatever goes into the mouth passes into the stomach, and is afterwards expelled?
1 Corinthians 6:13
Food exists for the stomach, and the stomach for food; but God will put an end to both the one and the other. The body, however, exists, not for immorality, but for the Lord, and the Lord for the body;
Matthew 7:19-20
Every tree that fails to bear good fruit is cut down and thrown into the fire.
Luke 6:45
A good man, from the good stores of his heart, brings out what is good; while a bad man, from his bad stores, brings out what is bad. For what fills a man's heart will rise to his lips.
Colossians 2:21-22
To such ordinances as 'Do not handle, or taste, or touch'?
James 3:6
And the tongue is like a spark. Among the members of our body it proves itself a very world of mischief; it contaminates the whole body; it sets the wheels of life on fire, and is itself set on fire by the flames of the Pit.