Matthew 15:17

Do you know that everything entering into the mouth goes into the stomach, and is cast out into excrement?

1 Corinthians 6:13

Meats for the stomach, and the stomach for meats: but God will destroy both this and them. The body is not for fornication, but for the Lord; and the Lord for the body:

Matthew 7:19-20

Every tree not producing beautiful fruit is cut down and cast into the fire.

Luke 6:45

The good man out of the good treasure of his heart brings forth the good; and the wicked man out of the wicked treasure of his heart brings forth that which is wicked: for out of the abundance of his heart his mouth speaks.

Colossians 2:21-22

Touch not, taste not, handle not,

James 3:6

The tongue, a fire, the world of iniquity: the tongue sits down in the midst of our members, and corrupting the whole body, and setting on fire the course of nature; and it is set on fire from hell.

Treasury of Scripture Knowledge

Summary

Do not ye yet understand, that whatsoever entereth in at the mouth goeth into the belly, and is cast out into the draught?

General references

Bible References

That

Matthew 7:19
Every tree not producing beautiful fruit is cut down and cast into the fire.
Luke 6:45
The good man out of the good treasure of his heart brings forth the good; and the wicked man out of the wicked treasure of his heart brings forth that which is wicked: for out of the abundance of his heart his mouth speaks.
1 Corinthians 6:13
Meats for the stomach, and the stomach for meats: but God will destroy both this and them. The body is not for fornication, but for the Lord; and the Lord for the body:
Colossians 2:21
Touch not, taste not, handle not,
James 3:6
The tongue, a fire, the world of iniquity: the tongue sits down in the midst of our members, and corrupting the whole body, and setting on fire the course of nature; and it is set on fire from hell.

General references

Mark 7:18
And He says to them, Are you still without understanding? Do you not know that everything external entering into a man is not able to defile him?