And as He was sitting on the Mount of Olives, the disciples came to Him privately, saying, "Tell us, when shall these things be? And what shall be the sign of Your coming, and of the end of the age?"
And then shall appear the sign of the Son of Man in heaven, and then all the tribes of the earth shall mourn, and they shall see the Son of Man coming on the clouds of heaven with power and great glory.
and they will level you to the ground, and your children with you; and they will not leave in you one stone upon another, because you did not know the season of your visitation."
"Behold, you despisers, and marvel and perish! For I will work a work in your days which you will by no means believe, though one were to declare it to you.' "