...and knowledge is one of the finest attributes of man - though often it is most loudly voiced by those who strive for it the least.

How insidious Nature is when one is trying to get at it experimentally.

Without creative, independently thinking and judging personalities the upward development of society is as unthinkable as the development of the individual personality without the nourishing soil of the community.

I assert that the cosmic religious experience is the strongest and the noblest driving force behind scientific research.

I know little about nature and hardly anything about men.

In living through this great epoch, it is difficult to reconcile oneself to the fact that one belongs to that mad, degenerate species that boasts of its free will. How I wish that somewhere there existed an island for those who are wise and of good will. In such a place even I should be an ardent patriot!

In the past it never occurred to me that every casual remark of mine would be snatched up and recorded. Otherwise I would have crept further into my shell.