When I think of the most able students I have encountered in my teaching - I mean those who have distinguished themselves not only by skill but by independence of thought - then I must confess that all have had a lively interest in epistemology.

A little knowledge is a dangerous thing. So is a lot.

One strength of the communist system of the East is that it has some of the character of a religion and inspires the emotions of a religion.

We have to do the best we are capable of. This is our sacred human responsibility.

Everything has changed except the way man thinks (when the hydrogen bomb was exploded)

Our separation from each other is an optical illusion.

The man of science is a poor philosopher.