I do know that kind fate allowed me to find a couple of nice ideas after many years of feverish labor.

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 fundamental question we can ever ask ourselves is whether or not the universe we live in is friendly or hostile.

One should respect an honest person even if he expresses opinions differing from one's own.

The unleashed power of the atom has changed everything save our modes of thinking and we thus drift toward unparalleled catastrophe.

I have just got a new theory of eternity.

As long as there are sovereign nations possessing great power, war is inevitable.