²³ Keep thy heart with all diligence; for out of it are the issues of life.

³⁴ O generation of vipers, how can ye, being evil, speak good things? for out of the abundance of the heart the mouth speaketh.

³⁵ A good man out of the good treasure of the heart bringeth forth good things: and an evil man out of the evil treasure bringeth forth evil things.

²⁰ And he said, That which cometh out of the man, that defileth the man.