Don't spend time beating on a wall, hoping to transform it into a door.

Practice does not make perfect. Perfect practice makes perfect.

If you think your teacher is tough, wait until you get a boss. He doesn't have tenure.

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

The production of too many useful things results in too many useless people.

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

Vision without execution is just hallucination.

What one has to do usually can be done.

Real success can only come if there is a change in our societies and in our economics and in our politics.

Well done is better than well said.

Because ideas have to be original only with regard to their adaptation to the problem at hand, I am always extremely interested in how others have used them...

And that is the reason why this victory is great, because different players have made contributions to the win.

A great secret of success is to go through life as a man who never gets used up.

It is a cursed evil to any man to become as absorbed in any subject as I am in mine

A good idea is never lost. Even though its originator or possessor may die without publicizing it, it will someday be reborn in the mind of another....

We struggle with the complexities and avoid the simplicities.

Rich people have small TVs and big libraries, and poor people have small libraries and big TVs.

The man who is swimming against the stream knows the strength of it.

Be a yardstick of quality. Some people aren't used to an environment where excellence is expected.

If everyone is moving forward together, then success takes care of itself.

A creative man is motivated by the desire to achieve, not by the desire to beat others.