I never did anything by accident, nor did any of my inventions come by accident they came by work.

• To my mind the old masters are not art their value is in their scarcity.
• The best thinking has been done in solitude. The worst has been done in turmoil.
• Hell, there are no rules here - we're trying to accomplish something.
• Just because something doesn't do what you planned it to do doesn't mean it's useless.
• Be courageous. I have seen many depressions in business. Always America has emerged from these stronger and more prosperous. Be brave as your fathers before you. Have faith! Go forward!
• Be courageous. I have seen many depressions in business. Always America has emerged from these stronger and more prosperous. Be brave as your fathers before you. Have faith! Go forward!
• 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.
• Many of life's failures are people who did not realize how close they were to success when they gave up.
• Restlessness is discontent and discontent is the first necessity of progress. Show me a thoroughly satisfied man and I will show you a failure.
• Show me a thoroughly satisfied man and I will show you a failure.