Not doubt, certainty is what drives one insane.

Be careful, lest in casting out your demon you exorcise the best thing in you.

For our self respect depends upon our ability to make requital, for good or for evil.

It seems to me that to take a book of mine into his hands is one of the rarest distinctions that anyone can confer upon himself. I even assume that he removes his shoes when he does so-not to speak of boots.

Industriousness and conscientiousness are often at odds, because industriousness wants to pick the still sour fruit from the tree,while conscientiousness lets it hang there too long, until it falls and bruises.

Marriage marks the end of many short follies - being one long stupidity.

This world is the will to power and nothing besides!