midnight
`` Let them find it . It is their business : not mine . '' But still he sat looking up at the row of books opposite to him . When it was considerably after midnight , he got up from his chair and began to walk the room . As he did so , he wiped his brow continually as though he were hot with the exertion , but keeping his eye still fixed upon the books . He was urging himself , pressing upon himself the expression of that honesty . Then at last he rushed at one of the shelves , and , picking out a volume of Jeremy Taylor 's works , threw it upon the table .