When I examine myself and my methods of thought, I come to the conclusion that the gift of fantasy has meant more to me than any talent for abstract, positive knowledge.

A permanent peace cannot be prepared by threats but only by the honest attempt to create a mutual trust. However strong national armaments may be, they do not create military security for any nation nor do they guarantee the maintenance of peace.

Most people say that it is the intellect which makes a great scientist. They are wrong: it is character.

Is there not a certain satisfaction in the fact that natural limits are set to the life of the individual, so that at the conclusion it may appear as a work of art?

There's no question dolphins are smarter than humans as they play more.

A thought that sometimes makes me hazy: Am I - or are the others crazy?

Do not grow old, no matter how long you live. Never cease to stand like curious children before the Great Mystery into which we were born.