"What, do even you understand so little?" exclaimed Jesus. "Do not you see that there is nothing external to a man, which by going into a man, can 'defile' him,
It is not what enters a man's mouth that 'defiles' him, but what comes out from his mouth--that does defile him!"
How is it that you do not see that I was not speaking about bread? Be on your guard against the leaven of the Pharisees and Sadducees."
You do not know the meaning of this parable!" he went on; "Then how will you understand all the other parables?
When Jesus went indoors, away from the crowd, his disciples began questioning him about this saying.
Because it does not pass into his heart, but into his stomach, and is afterwards got rid of?--in saying this Jesus pronounced all food 'clean.'
Then Jesus said to them: "O foolish men, slow to accept all that the Prophets have said!
"What! You a teacher of Israel," exclaimed Jesus, "and yet do not understand this!
I fed you with milk, not with solid food, for you were not then able to take it. No, and even now you are not able; you are still worldly.
Now on this subject I have much to say, but it is difficult to explain it to you, because you have shown yourselves so slow to learn.