An essential aspect of creativity is not being afraid to fail.

Science is a method to keep yourself from kidding yourself.

If you dream of something worth doing and then simply go to work on it and don't think anything of personalities, or emotional conflicts, or of money, or of family distractions; it is amazing how quickly you get through those 5,000 steps.

The bottom line is in heaven!

It is a curious property of research activity that after the problem has been solved the solution seems obvious. This is true not only for those who have not previously been acquainted with the problem, but also for those who have worked over it for years.

This is the most exciting part of being human. It is using our brains in the highest way. Otherwise we are just healthy animals

We took on things which people might think would take a year or two. They weren't particularly hard. What was hard was believing they weren't hard.