I believe that the first step in the setting of a real external world is the formation of the concept of bodily objects and of bodily objects of various kinds.

I think and think for months and years. Ninety-nine times, the conclusion is false. The hundredth time I am right.

The attempt to combine wisdom and power has only rarely been successful and then only for a short while.

We are boxed in by the boundary conditions of our thinking

There is one ray of hope. It seems to me that today the responsible leaders of the several peoples have, in the main, the honest will to abolish war.

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.

Innovation is everyones responsibility, not just R&Ds.