You've got to be very careful if you don't know where you're going, because you might not get there.

Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.

Practice does not make perfect. Perfect practice makes perfect.

It had long since come to my attention that people of accomplishment rarely sat back and let things happen to them. They went out and happened to things.

When you know what you want, and want it bad enough, you will find a way to get it.

One of the main weaknesses of mankind is the average man's familiarity with the word 'impossible'.

Dictionary is the only place that success comes before work. Hard work is the price we must pay for success. I think you can accomplish anything if you're willing to pay the price.

Old Professors never die, they just lose their faculties.

For the bureaucrat, the world is a mere object to be manipulated by him.

You can't make souffle rise twice.

Percentages are why I am rich.

If you do not change direction, you may end up where you are heading.

The leader of genius must have the ability to make different opponents appear as if they belonged to one category.

'To Start Press Any Key'. Where's the ANY key?

We are trying to prove ourselves wrong as quickly as possible, because only in that way can we find progress.

Workers of the world unite; you have nothing to lose but your chains.

Success is doing ordinary things extraordinarily well.

You can't just ask customers what they want and then try to give that to them. By the time you get it built, they'll want something new.

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

Eighty percent of success is showing up.

If your business is only to sweep a crossing, remember it is your duty to make that crossing the best swept of the world.