Whether a man hides his bad qualities and vices or confesses them openly, his vanity wants to gain an advantage by it in both cases: just note how subtly he distinguishes between those he will hide his bad qualities from and those he will face honestly and candidly.

The danger in happiness - "Now everything is turning out right for me; from now on i'll love every turn of fate - Who wants to be my fate?

One can lie with the mouth, but with the accompanying grimace one nevertheless tells the truth.

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!

Everything that is profound loves the mask: the profoundest things have a hatred even of figure and likeness.

No more fiction, for now we calculate; but that we may calculate, we had to make fiction first.

To the mean all becomes mean.