Men kick friendship around like a football, but it doesn't seem to crack. Women treat it like glass and it goes to pieces.

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

Cherish your human connections: your relationships with friends and family.

Friendship, of itself a holy tie, is made more sacred by adversity.

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

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

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

It is more shameful to distrust our friends than to be deceived by them.

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

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