More than any other product of human scientific culture scientific knowledge is the collective property of all mankind.

Philosophers are people who know less and less about more and more, until they know nothing about everything. Scientists are people who know more and more about less and less, until they know everything about nothing.

The fidelity of a dog is a precious gift demanding no less binding moral responsibilities than the friendship of a human being.

I believe that present day civilized man suffers from insufficient discharge of his aggressive drive

Barking dogs may occasionally bite, but laughing men hardly ever shoot!

Just thinking that my dog loves me more than I love him, I feel shame.

I believe that both art and the human striving for cognitive comprehension are manifest forms of the grand game in which nothing more is stipulated than the game's rules; both art and actively solicited perceptions are but special cases of the recurring creative act to which we owe our existence.