I can live with doubt and uncertainty and not knowing. I think it is much more interesting to live not knowing than to have answers that might be wro….

The highest forms of understanding we can achieve are laughter and human compassion..

Mathematics is not just a language. Mathematics is a language plus reasoning..

We are not to tell nature what she’s gotta be... She's always got better imagination than we have..

Science is of value because it can produce something..

Poets say science takes away from the beauty of the stars - mere globs of gas atoms. I, too, can see the stars on a desert night, and feel them. But ….

Don't worry about anything. Go out and have a good time..

[Quantum mechanics] describes nature as absurd from the point of view of common sense. And yet it fully agrees with experiment. So I hope you can acc….

I don't believe I can really do without teaching..

I would rather have questions that can't be answered than answers that can't be questioned..

There are theoretical physicists who imagine, deduce, and guess at new laws, but do not experiment; and then there are experimental physicists who ex….

I was terrible in English. I couldn't stand the subject. It seemed to me ridiculous to worry about whether you spelled something wrong or not, becaus….

Scientific knowledge is a body of statements of varying degrees of certainty -- some most unsure, some nearly sure, none absolutely certain..

We've learned from experience that the truth will out..

Study hard what interests you the most in the most undisciplined, irreverent and original manner possible..

First you guess. Don't laugh, this is the most important step. Then you compute the consequences. Compare the consequences to experience. If it disag….

You do not know anything until you have practiced..

Victory usually goes to those green enough to underestimate the monumental hurdles they are facing..

Few people realize the number of things that are possible..

Our freedom to doubt was born out of a struggle against authority in the early days of science. It was a very deep and strong struggle: permit us to ….

The chance is high that the truth lies in the fashionable direction. But, on the off-chance that it is in another direction - a direction obvious fro….