There will be great earthquakes, and in various places famines and pestilences. And there will be terrors and great signs from heaven.
See here, I. With what admiration some spoke of the external pomp and magnificence of the temple, and they were some of Christ's own disciples too; and they took notice of it to him how it was adorned with goodly stones and gifts, Luk 21:5.
Commenting on Luke 21:5-19
But before all these,.... Before all these things come to pass: they shall lay their hands on you; as the high priest, the priests, and the captain of the temple did upon the apostles, Act 4:1 and persecute you; as upon the death of Stephen, Act 8:1 delivering you up to the synagogues; to be scourged there; or to the courts of judicature, the consistories...
Fearful sights - What these were the reader will find in detail on Mat 24:7 (note).