Let there be no purpose in friendship save the deepening of the spirit.

Nothing but heaven itself is better than a friend who is really a friend.

Peace, commerce and honest friendship with all nations entangling alliances with none.

Think where man's glory most begins and ends, and say my glory was I had such friends.

There are no rules for friendship. It must be left to itself. We cannot force it any more than love.

I have friends in overalls whose friendship I would not swap for the favor of the kings of the world.

Friendship at first sight, like love at first sight, is said to be the only truth.

True friendship can afford true knowledge. It does not depend on darkness and ignorance.

The language of friendship is not words but meanings.

Depth of friendship does not depend on length of acquaintance.