A friend may well be reckoned the masterpiece of nature.

One of the most beautiful qualities of true friendship is to understand and to be understood.

Never make friends with people who are above or below you in status. Such friendships will never give you any happiness.

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

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

Be courteous to all, but intimate with few, and let those few be well tried before you give them your confidence.

Wishing to be friends is quick work, but friendship is a slow ripening fruit.

The greatest sweetener of human life is Friendship. To raise this to the highest pitch of enjoyment, is a secret which but few discover.

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

Success always necessitates a degree of ruthlessness. Given the choice of friendship or success, I'd probably choose success.