To have a great idea, have a lot of them.
What a man’s mind can create, man’s character can control.
Until man duplicates a blade of grass, nature can laugh at his so-called scientific knowledge.
Time is really the only capital that any human being has and the thing that he can least afford to waste or lose.
Through all the years of experimenting and research, I never once made a discovery. I start where the last man left off. All my work was deductive, and the results I achieved were those of invention pure and simple.
I have not failed. I’ve just found 10,000 ways that won’t work.
The world owes nothing to any man, but every man owes something to the world.
The three great essentials to achieve anything worthwhile are: Hard work, Stick-to-itiveness, and Common sense.
The chief function of the body is to carry the brain around.
A genius is often merely a talented person who has done all of his or her homework.
Your worth consists in what you are and not in what you have.
We don’t know a millionth of one percent about anything.
