Mark 7:18-19

18 He said to them, "Then do you also fail to understand? Do you not see that whatever goes into a person from outside cannot defile,
19 since it enters, not the heart but the stomach, and goes out into the sewer?" (Thus he declared all foods clean.)
New Revised Standard Version Bible, copyright 1989, Division of Christian Education of the National Council of the Churches of Christ in the United States of America. Used by permission. All rights reserved.