Never explain - your friends do not need it and your enemies will not believe you anyway.

A friendship founded on business is better than a business founded on friendship.

Am I not destroying my enemies when I make friends of them?

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

Friendship is certainly the finest balm for the pangs of disappointed love.

A single rose can be my garden... a single friend, my world.

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

It is important to our friends to believe that we are unreservedly frank with them, and important to friendship that we are not.

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

One's friends are that part of the human race with which one can be human.