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.