O generation of vipers, how can ye, being evil, speak good things? for out of the abundance of the heart the mouth speaketh.
(John testified concerning him. He cried out, saying, “This is the one I spoke about when I said, ‘He who comes after me has surpassed me because he was before me.’ ”)John 1:15 NIV
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.Matthew 12:35 KJV
Either make the tree good, and his fruit good; or else make the tree corrupt, and his fruit corrupt: for the tree is known by his fruit.Matthew 12:33 KJV