Friendship improves happiness and abates misery, by the doubling of our joy and the dividing of our grief.

That friendship will not continue to the end which is begun for an end.

Rejoicing in our joy, not suffering over our suffering, makes someone a friend.

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

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

In friendship as well as love, ignorance very often contributes more to our happiness than knowledge.

Friends show their love in times of trouble, not in happiness.

A man's friendships are one of the best measures of his worth.

True friendship is like sound health the value of it is seldom known until it is lost.

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