Matthew 24:15-16

"Therefore, when you see that disgusting thing which causes total destruction [i.e., the Roman armies. See Luke 21:20], which Daniel the prophet spoke about [Dan. 9:27; 11:31; 12:11], standing in the sacred place [i.e., Jerusalem and especially the Temple area], (let the reader understand [what is meant by this]),

Matthew 24:32-34

"Now learn this parable [i.e., a brief analogy to illustrate a lesson] from the fig tree: When its tender sprouts appear and its leaves begin to develop, you know that summer is near.

Mark 13:14-16

"But when you see that disgusting thing that causes total destruction [i.e., the Roman army. See Luke 21:20] standing where it ought not to be [i.e., surrounding the besieged city of Jerusalem], (let the reader understand [what is meant by this]), then those of you in Judea are to run away into the [nearby] mountains.

Luke 21:20-21

"So, when you see Jerusalem surrounded by [Roman] armies, then you will know that her total destruction is near.

Luke 21:29-33

Then Jesus told them a parable: "Look at the fig tree, as well as all [other] trees:

Treasury of Scripture Knowledge

Summary

And this shall be a sign unto you, saith the LORD, that I will punish you in this place, that ye may know that my words shall surely stand against you for evil:

Bible References

A sign

Matthew 24:15
"Therefore, when you see that disgusting thing which causes total destruction [i.e., the Roman armies. See Luke 21:20], which Daniel the prophet spoke about [Dan. 9:27; 11:31; 12:11], standing in the sacred place [i.e., Jerusalem and especially the Temple area], (let the reader understand [what is meant by this]),
Mark 13:14
"But when you see that disgusting thing that causes total destruction [i.e., the Roman army. See Luke 21:20] standing where it ought not to be [i.e., surrounding the besieged city of Jerusalem], (let the reader understand [what is meant by this]), then those of you in Judea are to run away into the [nearby] mountains.
Luke 21:20
"So, when you see Jerusalem surrounded by [Roman] armies, then you will know that her total destruction is near.