"Great men take themselves and the world too seriously to become what is called merely intellectual. Men who are merely intellectual are insincere; they are people who have never really been deeply engrossed by things and who do not feel an overpowering desire for production. All that they care about is that their work should glitter and sparkle like a well-cut stone, not that it should illuminate anything. They are more occupied with what will be said of what they think than by the thoughts themselves."