Many think of management as cutting deals and laying people off and hiring people and buying and selling companies. That's not management, that's deal making. Management is the opportunity to help people become better people. Practiced that way, it's a magnificent profession.

By the time it becomes obvious that a technology will have truly disruptive impact, it is often too late to take action. This is one reason why we are such advocates of using theory to try to analyze industry change. Conclusive evidence that proves that a company needs to take action almost never exists. In fact, the data can fool management, lulling them into a false sense of security.

This is one of the innovator’s dilemmas: Blindly following the maxim that good managers should keep close to their customers can sometimes be a fatal mistake.

Because if the decisions you make about where you invest your blood, sweat, and tears are not consistent with the person you aspire to be, you’ll never become that person.

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.

I've concluded that the metric by which God will assess my life isn't dollars, but the individual people whose lives I've touched. I think that's the way it will work for us all. Don't worry about the level of individual prominence you have achieved; worry about the individuals you have helped become better people.

You can't find returns in investments you haven't made.