Return back to take his clothes - His clothes which, in “working,” He had laid aside, or which, in fleeing, he should throw off as an encumbrance. “Clothes” here means the “outer” garment, commonly laid aside when men worked or ran. See the notes at Matthew 5:40.
These directions were followed. It is said that the Christians, warned by these predictions, fled from Jerusalem to Pella, and other places beyond the Jordan; so that there is not evidence that a single “Christian” perished in Jerusalem - Eusebius, Hist. Eccl., lib. 3 chapter 6.