I believe we need a more opportunistic and democratic approach to lunar exploration, now that we're shifting from U.S. government-sponsored space exploration to private expeditions.

Helping people boost themselves out of poverty is the best way to make a lasting positive difference in a person's life.

Because I was poor I had one special advantage. When you are poor, and basic survival is your concern, you have no alternative but to be an entrepreneur. You must take action to survive just as you must take action to seize an opportunity.

Every day you spend becoming an expert in a field, you become more useless in that field.

Trust your gut instinct over spreadsheets. There are too many variables in the real world that you simply can't put into a spreadsheet. Spreadsheets spit out results from your inexact assumptions and give you a false sense of security. In most cases, your heart and gut are still your best guide.

'Being green' is commendable, but I hope that people don't take too much pride and self-adoration because they shut off the water when they brushed their teeth. The truth of the matter is, conservation alone will do little to save our planet.

Apple Computer would not have reached its current peak of success if it had feared to roll the dice and launch products that didn't always hit the mark. In the mid-1990s, the company was considered washed up. Steve Jobs had departed, and a string of lackluster product launches unrelated to the company's core business had failed to catch fire.