To develop working ideas efficiently, I try to fail as fast as I can.

You do not know anything until you have practiced.

Science is the belief in the ignorance of experts.

So, ultimately, in order to understand nature it may be necessary to have a deeper understanding of mathematical relationships. But the real reason is that the subject is enjoyable, and although we humans cut nature up in different ways, and we have different courses in different departments, such compartmentaliz ation is really artificial, and we should take our intellectual pleasures where we find them.

Science is what we have learned about how to keep from fooling ourselves.

Physics is to mathematics what sex is to masturbation.

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.