Mark 13:1-4

As Jesus was leaving the Temple that day, one of his disciples said, “Teacher, look at these magnificent buildings! Look at the impressive stones in the walls.” Jesus replied, “Yes, look at these great buildings. But they will be completely demolished. Not one stone will be left on top of another!” Later, Jesus sat on the Mount of Olives across the valley from the Temple. Peter, James, John, and Andrew came to him privately and asked him, “Tell us, when will all this happen? What sign will show us that these things are about to be fulfilled?”