It is because it does not go into his heart, but into his stomach, and [eventually] passes out into the toilet.” By saying this He made all foods [ceremonially] acceptable.
And he said to them, “You people know how unlawful it is for a Jew to associate with, or even go near a person from another [i.e., non-Jewish] country, and yet God showed me that I should not consider any person ordinary or [ceremonially] unacceptable.