Genius is one per cent inspiration and ninety-nine per cent perspiration.

So far from engaging in a war to perpetuate slavery, I rejoice that slavery is abolished.

A land without memories is a people without liberty.

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

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

Not everything of value in life comes from books- experience the world.

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

There is far more opportunity than there is ability.

Great ideas originate in the muscles.

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

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

It’s obvious that we don’t know one-millionth of one per cent about anything.

There are no rules here, we’re trying to accomplish something.

I didn’t fail 1000 times. The light bulb was an invention with 1000 steps.

A man’s best friend is a good wife.

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

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

Vision without execution is a hallucination.

Everything comes to him who hustles while he waits.