The other thing that gives a scientific man the creeps in the world today are the methods of choosing leaders - in every nation. Today, for example, in the United States, the two political parties have decided to employ public relations men, that is, advertising men, who are trained in the necessary methods of telling the truth or lying in order to develop a product.

If a guy tells me the probability of failure is 1 in 100,000, I know he's full of crap.

Know your place in the world and evaluate yourself fairly, not in terms of the naïve ideals of your own youth, nor in terms of what you erroneously imagine your teacher's ideals are.

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.

The world is a dynamic mess of jiggling things

In fact the total amount that a physicist knows is very little. He has only to remember the rules to get him from one place to another and he is all right.

Philosophy of science is about as useful to scientists as ornithology is to birds.