^{15 Ref} Be on the watch for false prophets, who come to you in sheep's clothing, but inside they are cruel wolves.

^{16 Ref} By their fruits you will get knowledge of them. Do men get grapes from thorns or figs from thistles?

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

^{18 Ref} It is not possible for a good tree to give bad fruit, and a bad tree will not give good fruit.

^{19 Ref} Every tree which does not give good fruit is cut down and put in the fire.

^{20 Ref} So by their fruits you will get knowledge of them.