Luke 6:43-45

A Tree and Its Fruit 43“No good tree bears bad fruit, nor does a bad tree bear good fruit. 44Each tree is recognized by its own fruit. People do not pick figs from thornbushes, or grapes from briers.

45A good man brings good things out of the good stored up in his heart, and an evil man brings evil things out of the evil stored up in his heart. For the mouth speaks what the heart is full of.