Mark 7:17

14 And turning to the people again, he said to them, Give ear to me all of you, and let my words be clear to you:

15 There is nothing outside the man which, going into him, is able to make him unclean: but the things which come out of the man are those which make the man unclean.

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17 And when he had gone into the house away from all the people, his disciples put questions to him about the saying.

18 And he said to them, Have even you so little wisdom? Do you not see that whatever goes into a man from outside is not able to make him unclean,

19 Because it goes not into the heart but into the stomach, and goes out with the waste? He said this, making all food clean.

20 And he said, That which comes out of the man, that makes the man unclean.