But the end of all things is near. Therefore be of sound mind, self-controlled, and sober in prayer.

 It is Peter's injunction that, if a Christian has to suffer for Christ, he must do so in such a way that his suffering brings glory to God and to the name he bears. His life and conduct must be the best argument that he does not deserve the suffering which has come upon him and his attitude to it must commend the name he bears. 