I became more and more convinced that even nature could be understood as a relatively simple mathematical structure.

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

The world will not be destroyed by those who do evil, but by those who watch them without doing anything.

One should guard against preaching to young people success in the customary form as the main aim in life. The most important motive for work in school and in life is pleasure in work, pleasure in its result, and the knowledge of the value of the result to the community.

People start their lives at last when they are able to live for something other than themselves.

An oligarchy of private capital cannot be effectively checked even by a democratically organized political society because under existing conditions, private capitalists inevitably control, directly or indirectly, the main sources of information.

Agreements about what is good or not, are usually not worth much. It is very much like art, is it not an art to lead a good life?