Discontent is the first necessity of progress.

The reason a lot of people do not recognize opportunity is because it usually goes around wearing overalls looking like hard work.

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

Anything that won’t sell, I don’t want to invent

We often miss opportunity because it’s dressed in overalls and looks like work

Good fortune is what happens when opportunity meets with planning.

If we all did the things we are capable of doing, we would literally astound ourselves.

There is no expedient to which a man will not go to avoid the labor of thinking.

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

Show me a thoroughly satisfied man and I will show you a failure.

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

To my mind the old masters are not art; their value is in their scarcity.

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

What a man’s mind can create, man’s character can control.

If we all did the things we are really capable of doing, we would literally astound ourselves.

If we all did the things we are capable of, we would astound ourselves

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.

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

If we did the things we are capable of, we would astound ourselves.

I never failed once. It just happened to be a 2000-step process.

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

Our greatest weakness lies in giving up. The most certain way to succeed is always to try just one more time.

Five percent of the people think; ten percent of the people think they think; and the other eighty-five percent would rather die than think.

A little twist to the usual, “Everything comes to he who waits”. Everythingcomes to him who hustles while he waits.

Genius is one percent inspiration and ninety-nine percent perspiration.

Restlessness is discontent — and discontent is the first necessity of progress. Show me a thoroughly satisfied man — and I will show you a failure.

Study, along the lines which the theologies have mapped, will never lead us to discovery of the fundamental facts of our existence. That goal must be attained by means of exact science and can only...

There is no substitute for hard work.

I told [John Kruesi] I was going to record talking, and then have the machine talk back. He thought it absurd. However, it was finished, the foil was put on; I then shouted ‘Mary had...

When I have fully decided that a result is worth getting I go ahead of it and make trial after trial until it comes.

Success is 10 percent inspiration and 90 percent perspiration.

…What I have denied and what my reason compels me to deny, is the existence of a Being throned above us as a god, directing our mundane affairs in detail, regarding us as individuals, punishing...

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.

Unfortunately, there seems to be far more opportunity out there than ability…. We should remember that good fortune often happens when opportunity meets with preparation.

What man’s mind can create, man’s character can control.

Opportunity is missed by most people because it is dressed in overalls and looks like work.

The most necessary task of civilization is to teach people how to think. It should be the primary purpose of our public schools. The mind of a child is naturally active, it develops through exercise....

The successful person makes a habit of doing what the failing person doesn’t like to do.

So far as the religion of the day is concerned, it is a damned fake … Religion is all bunk.

Hell, there are no rules here – we’re trying to accomplish something.

They say President Wilson has blundered. Perhaps he has, but I notice he usually blunders forward.

Genius is one percent inspiration, ninety-nine percent perspiration.

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

I haven’t failed,I have just found 10,000 ways that won’t work.

Restlessness and discontent are the first necessities of progress.

If we did all the things we are capable of, we would literally astound ourselves.

I remember on one of my many visits with Thomas A. Edison, I brought up the question of Ingersoll. I asked this great genius what he thought of him, and he replied, ‘He was grand.’...

Being busy does not always mean real work. The object of all work is production or accomplishment and to either of these ends there must be forethought, system, planning, intelligence, and honest purpose, as well...

Everything comes to him who hustles while he waits.

I am not discouraged, because every wrong attempt discarded is another step forward.