I find my greatest pleasure, and so my reward, in the work that precedes what the world calls success.

One might think that the money value of an invention constitutes its reward to the man who loves his work. But... I continue to find my greatest pleasure, and so my reward, in the work that precedes what the world calls success.

Non-violence leads to the highest ethics, which is the goal of all evolution. Until we stop harming all other living beings, we are still savages.

Nearly every man who develops an idea works it up to the point where it looks impossible, and then he gets discouraged. That's not the place to become discouraged.

Maturity is often more absurd than youth and very frequently is most unjust to youth.

Many of life's failures are people who did not realize how close they were to success when they gave up.

It is astonishing what an effort it seems to be for many people to put their brains definitely and systematically to work.

I start where the last man left off.

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

I never did a day's work in my life. It was all fun.

I know this world is ruled by infinite intelligence. Everything that surrounds us- everything that exists - proves that there are infinite laws behind it. There can be no denying this fact. It is mathematical in its precision.

Anything that won't sell, I don't want to invent. Its sale is proof of utility, and utility is success.

I have friends in overalls whose friendship I would not swap for the favor of the kings of the world.

The body is a community made up of its innumerable cells or inhabitants.

I am proud of the fact that I never invented weapons to kill.