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

If all the economists were laid end to end, they'd never reach a conclusion.

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

Most of the important things in the world have been accomplished by people who have kept on trying when there seemed to be no hope at all.

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.

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.

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

If you can build a business up big enough, it's respectable.