Augustine of Hippo

The future signs that are foretold in the Gospel according to Luke are the same as those in Matthew and Mark. These three tell how the Lord answered his disciples. They asked him when the events that he had foretold of the destruction of the temple would happen. They also asked him what was to be the sign of his coming and of the end of the world. There is no discrepancy in the Gospels as to facts, although one tells one detail that another passes over or describes differently. …

Letter 199 ↗

Ambrose of Milan

It was spoken then of the temple made with hands, that it should be overthrown. For there is nothing made with hands which age does not impair, or violence throw down, or fire burn. Yet there is also another temple, that is, the synagogue, whose ancient building falls to pieces as the Church rises. There is also a temple in every one, which falls when faith is lacking, and above all when any one falsely shields himself under the name of Christ, that so he may rebel against his inward inclinations.

Catena Aurea by Aquinas ↗

Bede

And to some who were speaking of the temple, that it was adorned with good stones and gifts, he said: The days will come when, looking at all these things, not one stone will be left upon another that will not be thrown down. For formerly Jerusalem was that great royal city, where the most famous temple had been built to God. …

On the Gospel of Luke ↗