²⁹ For I am sure of this, that after my departing, grievous wolves will enter in among you, who will not spare the flock. ³⁰ Moreover, from among your own selves men will rise up speaking perverse things, to draw disciples after them. ³¹ Therefore awake, and remember that for the space of three years I did not cease to warn every one of you, both night and day, with tears.