text:  Men who had sat on the same form with him and with each other at Harrow and had betrayed no such marked differences in their tastes as to prevent their associating very pleasantly there at Oxford he found had been separated wide as the poles by this invisible but impassable line of demarcation: to such a degree indeed that although all had called upon Horace as they had upon each other before it seemed decided on which side they were to settle yet when they now met at his rooms they had become strangers beyond a mere civil recognition and had not a single subject to converse upon in common