Signs of the times

Say when these things will be, and what will be the sign when these things are all about to be done.
Mark 13:4
Even so, when you see these things taking place, you may be certain that he is near, even at the doors.
Mark 13:29
And you will be hated by all men, because of my name; but he who goes through to the end will have salvation.
Mark 13:13