“All you would have your friend to you, that must you be to him—and more; for there can be no thought of balancing of favors given by friend to friend; the obligations reach beyond; nor is there any selfishness, save selfishness for him. Full friendship is the selfishness and the unselfishness, at once, of two, bound into twinship fair of soul and spirit. Seek you then for friend one whom you understand down to the depths, up to the heights, of being, whose soul meets yours with the same understanding. Only so can you, can he, attain that sympathy which, growing with your intercourse, at last reaches beyond mere understanding, gains the other's thought and feeling, though no word be spoken, knows from the eyes of truth, and stands to aid in every project nobly true as ready as to speak against the false: Then may you say, "I have, he has, a friend!"”