A philosopher once said, 'It is necessary for the very existence of science that the same conditions always produce the same results.' Well, they don't!

If it disagrees with experiment, it's wrong.

Know how to solve every problem that has been solved.

Tell your son to stop trying to fill your head with science - for to fill your heart with love is enough!

If the professors of English will complain to me that the students who come to the universities, after all those years of study, still cannot spell 'friend,' I say to them that something's the matter with the way you spell friend.

Don't pay attention to "authorities," think for yourself.

If you thought you were trying to find out more about it because you're gonna get an answer to some deep philosophical question...you may be wrong! It may be that you can't get an answer to that particular question by finding out more about the character of nature. But my interest in science is to simply find out about the world.