Definition.com
Friendship (n.) is a miracle by which a person consents to view from a certain distance, without coming any nearer, the very being who is as necessary to him as food.
Definition.com
Friendship (n.) is a virtue, and as such, it is not to be sought, not to be dreamed, not to be desired... it is to be exercised.
Definition.com
Friendship (n.) is not something to be desired directly... rather it is a gratuitous joy, like the joys afforded by art or life.
Definition.com
Friendship (n.) is a supernatural harmony, a union of opposites.
Definition.com
Friendship (n.) spoils the moment one friend needs the other more than the other's freedom; it lasts only while each would rather the other stay free to consent, or to go.