My success was not based so much on any great intelligence but on great common sense.

The megalomaniac differs from the narcissist by the fact that he wishes to be powerful rather than charming, and seeks to be feared rather than loved. To this type belong many lunatics and most of the great men of history.

Great dreams of great dreamers are always transcended.

Man as an individual is a genius. But men in the mass form the headless monster, a great, brutish idiot that goes where prodded.

One great use of words is to hide our thoughts.