¹⁵ “Beware of false teachers who come disguised as harmless sheep, but are wolves and will tear you apart. ¹⁶ You can detect them by the way they act, just as you can identify a tree by its fruit. You need never confuse grapevines with thorn bushes or figs with thistles. ¹⁷ Different kinds of fruit trees can quickly be identified by examining their fruit. ¹⁸ A variety that produces delicious fruit never produces an inedible kind. And a tree producing an inedible kind can’t produce what is good. ¹⁹ So the trees having the inedible fruit are chopped down and thrown on the fire. ²⁰ Yes, the way to identify a tree or a person^[a] is by the kind of fruit produced.