15. There is nothing outside of a ben Adam (human being) entering into him which is able to make him tameh, but it is the things coming out from the ben Adam that make him tameh.
16. He who has oznayim to hear, let him hear.
17. And when he left the multitude and entered a bais, his talmidim were asking him [about] the mashal.
18. And he says to them, Are you so lacking in binah also? Do you not have binah that it is not what is outside and entering into the ben Adam that is able to make him tameh (unclean)?