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.

Nature made us - nature did it all - not the gods of the religions.

There is far more danger in public than in private monopoly, for when Government goes into business it can always shift its losses to the taxpayers. Government never makes ends meetand that is the first requisite of business.

Sleep is like a drug. Take too much at a time and it makes you dopey. You lose time and opportunities.

My main purpose in life is to make enough money to create ever more inventions…. The dove is my emblem…. I want to save and advance human life, not destroy it…. I am proud of the fact that I have never invented weapons to kill….

Maturity is often more absurd than youth and very frequently is most unjust to youth.

The reason a lot of people do not recognize opportunity is because it usually goes around wearing overalls looking like hard work.