-I think I can safely say that nobody understands quantum mechanics.
-The first principle is that you must not fool yourself – and you are the easiest person to fool.
-For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled.
-We are at the very beginning of time for the human race. It is not unreasonable that we grapple with problems. But there are tens of thousands of years in the future. Our responsibility is to do what we can, learn what we can, improve the solutions, and pass them on.
-I was born not knowing and have had only a little time to change that here and there.
-There are 10^11 stars in the galaxy. That used to be a huge number. But it’s only a hundred billion. It’s less than the national deficit! We used to call them astronomical numbers. Now we should call them economical numbers.
Richard P. Feynman