Mark 13:10, 29-31

But prior to the end of the age, the hope of the gospel must first be preached to all nations.

So also, when you observe all these things progressively taking place, you will know that he is near, even at the door! I assure you, this family will not pass away until all I have spoken comes to pass. The earth and sky will wear out and fade away before one word I speak loses its power or fails to accomplish its purpose.”