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

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

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

Be slow to fall into friendship but when thou art in, continue firm and constant.

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

It is important to our friends to believe that we are unreservedly frank with them, and important to friendship that we are not.

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

Silences make the real conversations between friends. Not the saying but the never needing to say is what counts.

The language of friendship is not words but meanings.

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