Of course, as I have said, there are infinite grades of friendship, beginning with the friendship which is a mere camaraderie arising out of habit and proximity; and every one ought to be capable of forming this last relationship. The modest man, said Stevenson, finds his friendships ready-made; by which he meant that if one is generous, tolerant, and ungrudging, then, instead of thinking the circle in which one lives inadequate, confined, and unsympathetic, one gets the best out of it, and sees the lovable side of ordinary human beings. Such friendships as these can evoke perhaps the best and simplest kind of loyalty. It is said that in countries where oxen are used for ploughing in double harness, there are touching instances of an ox pining away, and even dying, if he loses his accustomed yoke-fellow. There are such human friendships, sometimes formed on a blood relationship, such as the friendship of a brother and a sister; and sometimes a marriage transforms itself into this kind of camaraderie, and is a very blessed, quiet, beautiful thing. And then there are infinite gradations, such as the friendships of old and young, pupils and masters, parents and children, nurses and nurslings, employers and servants, all of them in a way unequal friendships, but capable of evoking the deepest and purest kinds of devotion: such famous friendships have been Carlyle's devotion to his parents, Boswell's to Johnson, Stanley's to Arnold; till at last one comes to the typical and essential thing known specially as friendship--the passionate, devoted, equal bond which exists between two people of the same age and sex; many of which friendships are formed at school and college, and which often fade away in a sort of cordial glow, implying no particular communion of life and thought. Marriage is often the great divorcer of such friendships, and circumstances generally, which sever and estrange; because, unless there is a constant interchange of thought and ideas, increasing age tends to emphasise differences. But there are instances of men, like Newman and FitzGerald, who kept up a sort of romantic quality of friendship to the end.