John Chrysostom — on 2Tim 4:13 (Homily on 2 Timothy 10)

“"The cloak that I left at Troas with Carpus, when thou comest bring with thee, and the books, but especially the parchments." The word here translated "cloak" may mean a garment, or, as some say, a bag, in which the books were contained. But what had he to do with books, who was about to depart and go to God? He needed them much, that he might deposit them in the hands of the faithful, who would retain them in place of his own teaching.”