To do more for the world than it does for you — that is success.

Failure is only the opportunity to more intelligently begin again.

Money is only a tool in business. It is just a part of the machinery.

Nothing is particularly hard if you subdivide it into small jobs.

There are players who tend not to look at the money short-term: they have a bigger plan.

Business? It's quite simple; it's other people's money.

Perhaps I will stay in Chicago and operate on human beings instead of on dogs. From a business standpoint, it would be excellent. But, as I hate medical practice, I would like better to make little money in doing scientific work than a great deal in doing surgical operations.

We're constantly having to go head-to-head with the Bernie Madoffs of the world who just want more and more money.