^{15 Ref} "Beware of false prophets, who come to you in sheep's clothing, but inwardly are ravening wolves.

^{16 Ref} By their fruits you will know them. Do you gather grapes from thorns, or figs from thistles?

^{17 Ref} Even so, every good tree produces good fruit; but the corrupt tree produces evil fruit.

^{18 Ref} A good tree can't produce evil fruit, neither can a corrupt tree produce good fruit.

^{19 Ref} Every tree that doesn't grow good fruit is cut down, and thrown into the fire.

^{20 Ref} Therefore, by their fruits you will know them.