If your goal is anything but profitability - if it's to be big, or to grow fast, or to become a technology leader - you'll hit problems.

There's a fundamental distinction between strategy and operational effectiveness.

If all you're trying to do is essentially the same thing as your rivals, then it's unlikely that you'll be very successful.

Strategy is about setting yourself apart from the competition. It's not a matter of being better at what you do - it's a matter of being different at what you do.

Technology has given us this wonderful opportunity to have low energy costs. We have to seize that, rather than keep debating and discussing and fighting over it.

I teach in the medical school, the School of Public Health, the Kennedy School of Government, and the Business School. And it's the best perch... because most of my work crosses boundaries.

Apple does all of its research and development in America. It has all these brilliant people sitting in Silicon Valley. But until recently, Apple made nothing in America. Zero. And the jobs that were accessible to a good, well-trained worker that knew how to do welding or assembly, none of those jobs had stayed in America. We don't have the workforce.