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

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

If you have one true friend you have more than your share.

You can always tell a real friend: when you've made a fool of yourself he doesn't feel you've done a permanent job.

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

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

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

Caring for but never trying to own may be a further way to define friendship.

Friendship is a strong and habitual inclination in two persons to promote the good and happiness of one another.

Friendship is the shadow of the evening, which increases with the setting sun of life.