There are no secrets to success. It is the result of preparation, hard work, and learning from failure.

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

Business is never so healthy as when, like a chicken, it must do a certain amount of scratching around for what it gets.

If there is anything that a man can do well, I say let him do it. Give him a chance.

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

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

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

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

It usually takes me more than three weeks to prepare a good impromptu speech.

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