“In that day, he which shall be upon the housetop, and his stuff in the house, let him not come down to take it away: and he that is in the field, let him likewise not return back.”
Luke 17:31 — Greek Interlinear
Church Fathers on Luke 17:31
Because good men must needs on account of the wicked be sore vexed in this world, in order that they may receive a more plentiful reward in the world to come, they are here punished with certain remedies, as it is here said, In that day, &c. that is, if a man goes up to the top of his house and rises to the summit of the highest virtues, let him not fall back to the groveling business of this world.
For he is on the housetop who, departing from carnal things, breathes as it were the free air of a spiritual life. But the vessels in the house are the carnal senses, which many using to discover truth which is only taken in by the intellect, have entirely missed it. Let the spiritual man then beware, lest in the day of tribulation he again take pleasure in the carnal life which is fed by the bodily senses, and descend to take away this world’s vessels. It follows, And he…
Matthew relates all these things to have been said by our Lord, with reference to the destruction of Jerusalem, that when the Romans came upon them, they who were on the housetop should not come down to take any thing, but fly at once, nor they that were in the field return home. And surely so it was at the taking of Jerusalem, and again will be at the coming of Antichrist, but much more at the completion of all things, when that intolerable destruction shall come.