I believe that whatever we do or live for has its causality; it is good, however, that we cannot see through to it.

I am neither especially clever nor especially gifted. I am only very, very curious.

Formal symbolic representation of qualitative entities is doomed to its rightful place of minor significance in a world where flowers and beautiful women abound.

Stand still. The trees ahead and bush beside you are not lost.

Nuclear power is one hell of a way to boil water

One can't teach a cat not to catch birds

Why do people speak of great men in terms of nationality? Great Germans, great Englishmen? Goethe always protested against being called a German poet. Great men are simply men and are not to be considered from the point of view of nationality, nor should the environment in which they were brought up be taken into account.