Breaking an old business model is always going to require leaders to follow their instinct. There will always be persuasive reasons not to take a risk. But if you only do what worked in the past, you will wake up one day and find that you’ve been passed by.

Whenever we have thanked these men and women for what they have done for us, without exception they have expressed gratitude for having the chance to help - because they grew as they served.

In 15 years from now half of US universities may be in bankruptcy ... in the end I'm excited to see that happen. So pray for Harvard Business School if you wouldn't mind.

Decide what you stand for. And then stand for it all the time.

People still cling to this belief that innovation is just random and unpredictable. But if you look closely, there are some real patterns. The companies that recognize and take advantage of those patterns have the real opportunity to create competitive advantage.

Management is the most noble of professions if it's practiced well.

The answer is the disruptive innovator, an outsider, who creates a product or service for the non-existing consumer in a non-existing market for almost no profit.