17 After he had left the crowd and entered the house, his disciples asked him about this parable.
18 "Are you so dull?" he asked. "Don't you see that nothing that enters a person from the outside can defile them?
19 For it doesn't go into their heart but into their stomach, and then out of the body." (In saying this, Jesus declared all foods clean.)
20 He went on: "What comes out of a person is what defiles them.