The restriction of knowledge to an elite group destroys the spirit of the society and leads to its intellectual impoverishment.

Insofar as we may at all claim that slavery has been abolished today, we owe its abolition to the practical consequences of science

While it is true that science, to the extent of its grasp of causative connections, may reach important conclusions as to the compatibility and incompatibility of goals and evaluations, the independent and fundamental definitions regarding goals and values remain beyond science's reach.

If you want different results, do not do the same things.

The further the spiritual evolution of mankind advances, the more certain it seems to me that the path to genuine religiosity does not lie through the fear of life, and the fear of death, and blind faith, but through striving after rational knowledge.

If there is any religion that could respond to the needs of modern science, it would be Buddhism.

I never think of the future. It comes soon enough. When visiting the U.S. from Germany for a winter academic stay.