How can anyone become a thinker unless he spends at least a third of every day away from passions, people, and books?

It is my ambition to say in ten sentences what others say in a whole book.

A man who possesses genius is insufferable unless he also possesses at least two other things: gratitude and cleanliness.

God is a gross answer, an indelicacy against us thinkers- at bottom merely a gross prohibition for us: you shall not think!

Be your self! All you are now doing, thinking, desiring, is not you yourself.

In our interactions with people, a benevolent hypocrisy is frequently required--acting as though we do not see through the motivesof their actions.

The moral earth, too, is round! The moral earth, too, has its antipodes! The antipodes, too, have their right to exist! There is still another world to be discovered--and more than one! Set sail, you philosophers!