Friendship is always a sweet responsibility, never an opportunity.

Friendship is the source of the greatest pleasures, and without friends even the most agreeable pursuits become tedious.

My best friend is the one who brings out the best in me.

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

Wishing to be friends is quick work, but friendship is a slow ripening fruit.

One of the most beautiful qualities of true friendship is to understand and to be understood.

The greatest gift of life is friendship, and I have received it.

A true friend never gets in your way unless you happen to be going down.

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

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