John Mark
Mark 13:21ESV·traditional attribution

And then if anyone says to you, ‘Look, here is the Christ!’ or ‘Look, there he is!’ do not believe it.

Matthew Henry Presbyterian @wholebiblehenry

The Jews, in rebelling against the Romans, and in persecuting the Christians, were hastening to their own ruin apace, both efficiently and meritoriously, were setting both God and man against them; see Th1 2:15. Now here we have a prediction of that ruin which came upon them within less than forty years after this: we had it before, Mat 24:15, etc. Observe, I. What is here foretold concerning it. 1.

Commenting on Mark 13:14-23

John Gill Reformed Baptist @doctorgill

But take ye heed,.... The Persic version adds, "of them"; of the false Christs, and false prophets: for though the purposes of God, concerning the salvation of his elect, are infrustrable; his promises are yea and amen; his grace is efficacious and irresistible, and his power uncontrollable; and the salvation of his chosen ones certain; yet it becomes them to be on their guard against...

William Burkitt Anglican @expositoryburkitt

The Jews had all along cherished in themselves a vain expectation, that the promised Messias should be a temporal deliverer; and set them at liberty from the power and slavery of the Romans; and accordingly, our Saviour declares to his discples here, That, immediately before Jerusalem's destruction, several persons, taking the advantage of this expectation, would make themselves heads of parties; and pretend that they...