Thus I came...to a deep religiosity, which, however, reached an abrupt end at the age of 12. Through the reading of popular scientific books I soon reached a conviction that much in the stories of the Bible could not be true....Suspicion against every kind of authority grew out of this experience...an attitude which has never left me.

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

Don't become a seeker of success. Become a person of value.

Show me a satisfied man, and I'll show you a failure.

There does, in fact, appear to be a plan.

Considered logically this concept is not identical with the totality of sense impressions referred to; but it is an arbitrary creation of the human (or animal) mind.

The physicist's greatest tool is his wastebasket.