¹⁷ Likewise, every good tree bears good fruit, but a bad tree bears bad fruit. ¹⁸ A good tree cannot bear bad fruit, and a bad tree cannot bear good fruit.^{(A) 19} Every tree that does not bear good fruit is cut down and thrown into the fire.^{(B) 20} Thus, by their fruit you will recognize them.

³⁴ You brood of vipers,^(A) how can you who are evil say anything good? For the mouth speaks^(B) what the heart is full of. ³⁵ A good man brings good things out of the good stored up in him, and an evil man brings evil things out of the evil stored up in him.