Real friendship, like real poetry, is extremely rare - and precious as a pearl.

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

Peace and friendship with all mankind is our wisest policy, and I wish we may be permitted to pursue it.

Friendship multiplies the good of life and divides the evil.

Friendship is something that creates equality and mutuality, not a reward for finding equality or a way of intensifying existing mutuality.

There is some self-interest behind every friendship. There is no friendship without self-interests. This is a bitter truth.

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

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

Friends and good manners will carry you where money won't go.

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