I am convinced there is only one way to eliminate these grave evils, namely through the establishment of a socialist economy, accompanied by an educational system which would be oriented toward social goals.

The most beautiful thing we can experience is the mysterious. It is the source of all true art and science.

Nationalism, on my opinion, is nothing more than an idealistic rationalization for militarism and aggression.

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

I live in that solitude which is painful in youth, but delicious in the years of maturity.

Innovation is everyones responsibility, not just R&Ds.

Body and soul are not two different things, but only two different ways of perceiving the same thing. Similarly, physics and psychology are only different attempts to link our experiences together by way of systematic thought.