15. There is nothing from outside a man which, by entering into him, is able to defile him. But the things which procede from a man, these are what pollute a man.
16. Whoever has ears to hear, let him hear."
17. And when he had entered into the house, away from the crowd, his disciples questioned him about the parable.
18. And he said to them: "So, are you also without prudence? Do you not understand that everything entering to a man from outside is not able to pollute him?