Are you so dull?” he asked. “Don't you see that nothing that enters a person from the outside can defile them? For it doesn't go into their heart.

And he said,“What comes out of a person is what defiles him. 21 For from within, out of the heart of man, come evil thoughts, sexual immorality, theft,murder, ...

What comes out of a man, that defiles a man. For from within, out of the heart of men, proceed evil thoughts, adulteries, fornications, murders, thefts, ...

Whatsoever thing from without entereth into the man, it cannot defile him; because it entereth not into his heart, but into the belly, and goeth out into the ...

And he said to them, “Then are you also without understanding? Do you not see that whatever goes into a person from outside cannot defile him,...

For it is from within, from the human heart, that evil intentions come: fornication, theft, murder, 22adultery, avarice, wickedness, deceit, licentiousness, ...

Jesus counters another traditional error from the scribes and Pharisees, explaining that food in and of itself does not make a person unclean.

Mark 7:18-23: "Are you so dull?" he asked. "Don't you see that nothing that enters a person from the outside can defile them?

Jesus sets the Mosaic food laws in the context of the kingdom of God where they are abrogated, and he declares moral defilement the only cause of uncleanness.

And he saith unto them, Are ye so without understanding also? Do ye not perceive, that whatsoever thing from without entereth into the man, it cannot defile ...