"I am proud of the fact that I never invented weapons to kill."
"If we all did the things we are really capable of doing, we would literally astound ourselves."
"Genius is one percent inspiration, ninety-nine percent perspiration. "
"The first requisite for success is to develop the ability to focus and apply your mental and physical energies to the problem at hand, without growing weary. Because such thinking is often difficult, there seems to be no limit to which some people will go to avoid the effort and labor that is associated with it."
"Just because something doesn't do what you planned it to do doesn't mean it's useless."
"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."
"The three things that are most essential to achievement are common sense, hard work and sticking to it"
"I find my greatest pleasure, and so my greatest reward, in the work that precedes what the world calls success."
"To me, the idea and expectation that the day is slowly and surely coming when we will be able to honestly say we are our brother's keeper and not his oppressor is very beautiful."
"I have not failed. I've just found 10,000 ways that won't work."
"Many of life's failures are people who did not realize how close they were to success when they gave up."
"I never perfected an invention that I did not think about in terms of the service it might give others. I find out what the world needs, then I proceed to invent it."
"I never did a day's work in my life. It was all fun."
"Our schools are not teaching students to think. It is astonishing how many young people have difficulty in putting their brains definitely and systematically to work."
"Anything that won't sell, I don't want to invent. Its sale is proof of utility, and utility is success."
"Everything comes to him who hustles while he waits."