Mark 13:6

At the destruction of Jerusalem there appeared many impostors, many who professed themselves to be the Christ, and assured the populace that their delivery was at hand. And in the Church many heresiarchs started up, and many came in the name of Christ; the first of these was Simon Magus, mentioned in the Acts of the Apostles, whom the people of Samaria received as the power and virtue of God. But it is remarkable from the time of our Saviour's passion, when they preferred the robber Barabbas to Jesus Christ, the Lamb of God, they had no peace or quiet in the city, but constant tumult and dissension succeeded, to the very time of its destruction. (Ven. Bede) --- So shall many seducers come towards the end of the world, who shall make themselves authors of sects, and shall gain many disciples: as followeth in plain words, ver. 22. of this chapter. (Bristow)