Not only will atomic power be released, but someday we will harness the rise and fall of the tides and imprison the rays of the sun.

The value of a good idea is in using it.

If there is a better solution... find it.

Every failure is a lesson learned about your strategy.

I have not failed. I have successfully discovered 1200 ideas that don't work.

My mind is incapable of conceiving such a thing as a soul. I may be in error, and man may have a soul; but I simply do not believe it.

I have not failed. I've just found 10,000 ways that won't work.