ἀπὸ τῶν καρπῶν αὐτῶν ἐπιγνώσεσθε αὐτούς → ye shall know them by their fruits, by their fruits ye shall know them, by their fruits you shall know them, you will know them by their fruit
περιπεσεῖν: απαρ. αορ. βʹ του περιπίπτω.
