Jesus reminded His disciples that He had forewarned them about these impostors (cf. Mark 13:1-37; Luke 21:5-36). They would need to be very careful so they will not dupe them. [source][source][source]
The disciples Jesus addressed undoubtedly thought they would be alive when these things happened. However that was not to be the case, and Jesus said nothing to mislead them. He was teaching disciples of His in the years to come as well as those sitting in His presence in this discourse, as well as in His others. [source][source][source]
Matthew 24:15-28 - Beware Of False Christs
The abomination of desolation is explained in Luke 21:20, and probably refers to the Roman ensigns as the symbols of pagan and therefore unclean power. So urgent would be their need of flight that the outside steps of the houses must be used. None might try to save his property. Ever, the winter's cold must be faced, if life were to be saved; and the flight must be farther than could be covered on a Sabbath day, that is, according to Jewish law, less than a mile.
It is a matter of literal fact that there was compressed into the period of the Jewish War an amount of suffering perhaps unparalleled. Josephus' history of the period abounds in references to these false Christs who professed themselves to be the Messiah.
Notice that, though the elect may be powerfully tempted, they will repudiate and resist the attack and still remain loyal to their Lord. What a searching word is this!-"whom He did predestinate"¦ them He also glorified," Romans 8:30. They may be tempted, tried, almost deceived, but angels will bear them up in their hands and God will keep their feet. See Psalms 91:12; 1 Samuel 2:9. [source]
Chapter Summary: Matthew 24
1Jesus foretells the destruction of the temple; 3what and how great calamities shall be before it; 29the signs of his coming to judgment 36And because that day and hour are unknown, 42we ought to watch like good servants, expecting our Master's coming
What do the individual words in Matthew 24:25 mean?