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

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

Whenever you find yourself on the side of the majority, it is time to pause and reflect.

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

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

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

Business, that's easily defined - it's other people's money.

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

Effort only fully releases its reward after a person refuses to quit.

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