Negative results are just what I want. They’re just as valuable to me as positive results. I can never find the thing that does the job best until I find the ones that don’t.

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

Genius is one per cent inspiration and ninety-nine per cent perspiration. A genius'is often merely a talented person who has done all of his or her homework. Opportunity is missed by most people because it is dressed in overalls and looks like work.

The first requisite for success is to develop the ability to focus and apply your mental and physical energies toward solving the problems at hand - without growing weary. Because such thinking can often be difficult, there seems to be no limit to which most people will go to avoid the effort and labor that is associated with it...

I never did anything worth doing entirely by accident.... Almost none of my inventions were derived in that manner. They were achieved by having trained myself to be analytical and to endure and tolerate hard work

Inspiration can often be found in a pile of junk. Sometimes, you can put it together with a good imagination and invent something.

Personally, I enjoy working about 18 hours a day. Besides the short catnaps I take each day, I average about four to five hours of deep sleep per night.

Most of the exercise I get is from standing and walking all day from one laboratory table to another. I derive more enjoyment, benefit and entertainment from this than some of my friends and competitors get from playing games like golf.

If we all did the things we are really capable of doing, we would literally astound ourselves....