As iron sharpens iron, so a friend sharpens a friend.

It is one of the blessings of old friends that you can afford to be stupid with them.

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

A true friend is someone who is there for you when he'd rather be anywhere else.

A quarrel between friends, when made up, adds a new tie to friendship.

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

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

A man cannot be said to succeed in this life who does not satisfy one friend.

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

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