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

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.

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

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

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

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

It's not what you pay a man, but what he costs you that counts.

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

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