The Destruction of the Temple and Signs of the End Times
5 Some of his disciples were remarking about how the temple was adorned with beautiful stones and with gifts dedicated to God. But Jesus said, 6 “As for what you see here, the time will come when not one stone will be left on another; every one of them will be thrown down.”
7 “Teacher,” they asked, “when will these things happen? And what will be the sign that they are about to take place?”
8 He replied: “Watch out that you are not deceived. For many will come in my name, claiming, ‘I am he,’ and, ‘The time is near.’ Do not follow them.
https://www.biblegateway.com/passage/?search=Luke%2021%3A5-8&version=NIV