In the quiet hours when we are alone and there is nobody to tell us what fine fellows we are, we come sometimes upon a moment in which we wonder, not how much money we are earning, nor how famous we have become, but what good we are doing.
The third-rate mind is only happy when it is thinking with the majority. The second-rate mind is only happy when it is thinking with the minority. The first-rate mind is only happy when it is thinking.