Anacoluthon in this sentence in the Greek . It was used by Hillel, Philo, Isocrates, Confucius. Jesus puts it in positive form. There were false prophets in the time of the Old Testament prophets . It is a tragedy that such men and women reappear through the ages and always find victims.
Wolves are more dangerous than dogs and hogs.
From their fruits you will recognize them. The illustrations from the trees and vines have many parallels in ancient writers. Sharp contrast between the mere talker and the doer of God 's will. The use of ou in the question expects the affirmative answer. But Jesus will tear off the sheepskin and lay bare the ravening wolf .