In this world nothing can be said to be certain, except death and taxes.

The hardest thing to understand in the world is the income tax.

The superior man understands what is right the inferior man understands what will sell.

If you listen to your fears, you will die never knowing what a great person you might have been.

I think that there is nothing, not even crime, more opposed to poetry, to philosophy, ay, to life itself than this incessant business.

I am certainly not one of those who need to be prodded. In fact, if anything, I am the prod.

Failure doesn't mean you are a failure it just means you haven't succeeded yet.

Corporation: An ingenious device for obtaining profit without individual responsibility.

Sometimes when you innovate, you make mistakes. It is best to admit them quickly, and get on with improving your other innovations.

Just because something doesn't do what you planned it to do doesn't mean it's useless.