Filemom 1

Filemom 1:23

And in the Commentary on Paul's Epistle to Philemon, at the place where Jerome says "Epaphras my fellow-prisoner greeteth you," some way down he says: "Possibly, however, as some think, a more recondite and mysterious view is set before us, namely, that the two companions had been captured and bound and brought down into this vale of tears."