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

I always felt that the great high privilege, relief and comfort of friendship was that one had to explain nothing.

Accountability in friendship is the equivalent of love without strategy.

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

Nothing so fortifies a friendship as a belief on the part of one friend that he is superior to the other.

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

A man's growth is seen in the successive choirs of his friends.

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

Depth of friendship does not depend on length of acquaintance.

Friendship may, and often does, grow into love, but love never subsides into friendship.