women of equal culture, thrown together, are sure to be of a certain value to one another, more than men to men. There exists already a natural disinterestedness and liberality in such society, and I think that any man will more confidently carry his favorite books to read to some circle of intelligent women, than to one of his own sex. The visit of man to man is wont to be an interruption, but the sexes naturally expect one another. Yet Friendship is no respecter of sex; and perhaps it is more rare between the sexes than between two of the same sex.
Friendship is, at any rate, a relation of perfect equality. It can not well spare any outward sign of equal obligation and advantage 
The nobleman can never have a Friend among his retainers, nor the king among his subjects. Not that the parties to it are in all respects equal, but they are equal in all that respects or affects their Friendship. The one's love is exactly balanced and represented by the other's. Persons are only the vessels which contain the nectar, and the hydrostatic paradox is the symbol of love's law. It finds its level and rises to its fountainhead in all breasts, and its slenderest column balances the ocean.
Love equals swifit and slow,
And high and low,
Racer and lame,
The hunter and his game.
The one sex is not, in this respect, more tender than the other. A hero's love is as delicate as a maiden's.
Confucius said, "Never contract Friendship with a man that is not better than thyself." It is
