Matthew 15:17

Overview - Matthew 15
Christ reproves the Scribes and Pharisees for transgressing God's commandments through their own traditions;
10 teaches how that which goes into the mouth does not defile a man.
21 He heals the daughter of the woman of Canaan,
29 and other great multitudes;
32 and with seven loaves and a few little fishes feeds four thousand men, beside women and children.
Treasury of Scripture Knowledge

Matthew 15:17  (King James Version)
Do not ye yet understand, that whatsoever entereth in at the mouth goeth into the belly, and is cast out into the draught?

Matthew 7:19 Matthew 7:20 Luke 6:45 ; 1 Corinthians 6:13 ; Colossians 2:21 Colossians 2:22 ; James 3:6

and is
2 Kings 10:27