Matthew 15:7-17

7 Hypocrites, well hath Isaias prophesied of you, saying:
8 This people honoureth me with their lips: but their heart is far from me.
9 And in vain do they worship me, teaching doctrines and commandments of men.
10 And having called together the multitudes unto him, he said to them: Hear ye and understand.
11 Not that which goeth into the mouth defileth a man: but what cometh out of the mouth, this defileth a man.
12 Then came his disciples, and said to him: Dost thou know that the Pharisees, when they heard this word, were scandalized?
13 But he answering, said: Every plant which my heavenly Father hath not planted, shall be rooted up.
14 Let them alone: they are blind, and leaders of the blind. And if the blind lead the blind, both fall into the pit.
15 And Peter answering, said to him: Expound to us this parable.
16 But he said: Are you also yet without understanding?
17 Do you not understand, that whatsoever entereth into the mouth, goeth into the belly, and is cast out into the privy?
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