To have a great idea, have a lot of them.
I find my greatest pleasure, and so my reward, in the work that precedes what the world calls success.
As a cure for worrying, work is better than whiskey.
Great ideas originate in the muscles.
If we did all the things we are capable of doing, we would literally astonish ourselves.
Your worth consists in what you are and not in what you have.
The first requisite for success is the ability to apply your physical and mental energies to one problem incessantly without growing weary.
I am proud of the fact that I never invented weapons to kill.
Restlessness is discontent and discontent is the first necessity of progress. Show me a thoroughly satisfied man and I will show you a failure.
What you are will show in what you do.
Anything that won't sell, I don't want to invent. Its sale is proof of utility, and utility is success.
Results! Why, man, I have gotten a lot of results. I know several thousand things that won't work.