What defiles a man?

What defiles a man?

...those things which proceed out of the mouth come forth from the heart; and they defile the man. For out of the heart proceed evil thoughts, murders, adulteries, fornications, thefts, false witness, blasphemies: These are the things which defile a man: ~ Matthew 15: 18-20, KJV ~ A person, more than likely, may look outward than inward [...]