Grove giveth and Gates taketh away.

The big print giveth, and the fine print taketh away.

Generous people can become more generous as they become richer, giving away vast fortunes to worthwhile causes as Bill Gates and Warren Buffett are doing.

The markets for the products are huge. If you can get it right, it's really a market that's infinite.

Energy has got to be one of the top five problems the world faces, and it's been frustrating to watch activists and politicians fail to solve the problem. Now it's time for the entrepreneurs and scientists to give it a try.

If you cannot be on the project each day to check on things, then you should not try and be your own contractor.