Genius? Nothing! Sticking to it is the genius! Any other bright-minded fellow can accomplish just as much if he will stick like hell and remember nothing that's any good works by itself. You've got to make the damn thing work!...I failed my way to success.

We are striking it big in the electric light, better than my vivid imagination first conceived. Where this thing is going to stop Lord only knows.

Radio is just a fashion contrivance that will soon die out. It is obvious that there never will be invented a proper receiver!

Failure is the most effective technique to optimize strategic planning, implementation and processes.

There will one day spring from the brain of science a machine or force so fearful in its potentialities, so absolutely terrifying, that even man, the fighter, who will dare torture and death in order to inflict torture and death, will be appalled, and so abandon war forever.

Just because something doesn't do what you planned it to do doesn't mean it's useless.

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