Think big and don't listen to people who tell you it can't be done. Life's too short to think small.

If you look at the purported dangers of salt or fat, there is no consensus of support in scientific literature. So I would ask first: 'Is it possible to have an informed government that actually follows the science?' From what I've seen, it's not likely.

Ninety-nine percent of people believe they can't do great things, so they aim for mediocrity.

Learn the art of the pitch and of messaging.

To make a bestseller, there are more customers than just your customers: Selling to the end-user is just one piece of the puzzle. In my case, I needed to first sell myself to the publisher to get marketing support and national retail distribution.

It is predicated on the assumption that you dislike what you are doing during the most physically capable years of your life. This is a nonstarter—nothing can justify that sacrifice.

Short, sweet, and to the point. Clear writing, and therefore clear commands, comes from clear thinking. Think simple.