Matthew 12:34

12:34 Offspring of vipers! How are you able to say anything good, since you are evil? For the mouth speaks from what fills the heart.

Matthew 13:35

13:35 This fulfilled what was spoken by the prophet:

“I will open my mouth in parables,

I will announce what has been hidden from the foundation of the world.”

Matthew 15:11

15:11 What defiles a person is not what goes into the mouth; it is what comes out of the mouth that defiles a person.”

Matthew 15:17

15:17 Don’t you understand that whatever goes into the mouth enters the stomach and then passes out into the sewer?