There’s so much distance between the fundamental rules and the final phenomenon, that it’s almost unbelievable that the final variety of phenomenon can come from such a steady operation of such simple rules.

I have to disregard everybody else, and then I can do my own work.

We scientists are clever — too clever — are you not satisfied? Is four square miles in one bomb not enough? Men are still thinking. Just tell us how big you want it!

Science is a process for learning about nature in which competing ideas about how the world works are measured against observations.

It is in the admission of ignorance and the admission of uncertainty that there is a hope for the continuous motion of human beings in some direction that doesn't get confined, permanently blocked, as it has so many times before in various periods in the history of man.

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

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