One should not pursue goals that are easily achieved. One must develop an instinct for what one can just barely achieve through one’s greatest efforts.

Science can only ascertain what is, but not what should be, and outside of its domain value judgements of all kinds remain necessary.

No idea is conceived in our mind independent of our five senses [i.e., no idea is divinely inspired].

The question that drives me hazy is whether it is I or others who is crazy.

If people are good because they fear punishment, and hope for reward, then we are a sorry lot indeed.

Innovation is everyones responsibility, not just R&Ds.

On the other hand, although I have a regular work schedule, I take time to go for long walks on the beach so that I can listen to what is going on inside my head. If my work isn't going well, I lie down in the middle of a workday and gaze at the ceiling while I listen and visualize what goes on in my imagination.