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,
About this we have much to say, and it is hard to explain, since you have become dull of hearing.
And he said to them, "O foolish ones, and slow of heart to believe all that the prophets have spoken!
How is it that you fail to understand that I did not speak about bread? Beware of the leaven of the Pharisees and Sadducees."
I fed you with milk, not solid food, for you were not ready for it. And even now you are not yet ready,
Jesus answered him, "Are you the teacher of Israel and yet you do not understand these things?
And he said to them, "Do you not understand this parable? How then will you understand all the parables?
it is not what goes into the mouth that defiles a person, but what comes out of the mouth; this defiles a person."
And when he had entered the house and left the people, his disciples asked him about the parable.
since it enters not his heart but his stomach, and is expelled?"[6] (Thus he declared all foods clean.)