Be courteous to all, but intimate with few, and let those few be well tried before you give them your confidence.

A man's growth is seen in the successive choirs of his friends.

Nothing so fortifies a friendship as a belief on the part of one friend that he is superior to the other.

The language of friendship is not words but meanings

Friendship... is not something you learn in school. But if you haven't learned the meaning of friendship, you really haven't learned anything.

Friendship without self-interest is one of the rare and beautiful things of life.

Rejoicing in our joy, not suffering over our suffering, makes someone a friend.

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

Never contract friendship with a man that is not better than thyself.

To like and dislike the same things, this is what makes a solid friendship.