Matthew 24:6

24:6 You will hear of wars and rumors of wars. Make sure that you are not alarmed, for this must happen, but the end is still to come.

Matthew 24:13-14

24:13 But the person who endures to the end will be saved. 24:14 And this gospel of the kingdom will be preached throughout the whole inhabited earth as a testimony to all the nations, and then the end will come.