The ability to change constantly and effectively is made easier by high-level continuity.

The underlying principles of strategy are enduring, regardless of technology or the pace of change.

The company without a strategy is willing to try anything.

Competitive strategy is about being different. It means deliberately choosing a different set of activities to deliver a unique mix of value.

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.

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.

If a strategy meets a goal: It's working. If a strategy meets a target: It's a success.