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

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

When you choose your friends, don't be short-changed by choosing personality over character.

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

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

Friendship, like the immortality of the soul, is too good to be believed.

Even where friendship is concerned, it takes me a long time to trust people.

Laughter is not at all a bad beginning for a friendship, and it is far the best ending for one.

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

Friendship is unnecessary, like philosophy, like art... It has no survival value rather it is one of those things that give value to survival.