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

I have better use for my brain than to poison it with alcohol. To put alcohol in the human brain is like putting sand in the bearings of an engine.

Never Say I Failed 99 Times, Say I Discovered 99 Ways Which Causes Failure!

Vision without execution is delusion.

Accomplishing something provides the only real satisfaction in life.

The three great essentials to achieve anything worthwhile are, first, hard work; second, stick-to-itiveness; third, common sense.

There is no limit to which a man will not go to avoid thinking.

There is no limit to which a man will not go to avoid thinking.

Negative results are just what I want. They’re just as valuable to me as positive results. I can never find the thing that does the job best until I find the ones that don’t.

You can’t realize your dreams unless you have one to begin with.

I never did a day’s work in my life, it was all fun.

What you are will show in what you do.

Fools call wise men fools. A wise man never calls any man a fool.

Nature is truly wonderful. Only man is truly foul.

When I have eliminated the ways that will not work, I will find the way that will work.

A diamond is a piece of coal that stuck to the job.

When you have exhausted all possibilities, remember this – you haven’t.

What one man can invent, another can discover.

Modern invention has banished the spinning wheel, and the same law of progress makes the woman of today a different woman from her grandmother.

What I wanted to express very clearly and intensely was that the reason these people had to invent or imagine heroes and gods is pure fear. Fear of life and fear of death.

Work is a necessity for man. Man invented the alarm clock.

I find out what the world needs. Then I go ahead and try to invent it.

If God did not exist, it would be necessary to invent him.

Name the greatest of all inventors. Accident.

God invented man, and man invented the metric system.