Good-to-great management teams consist of people who debate vigorously in search of the best answers, yet who unify behind decisions, regardless of p… - Jim Collins

We are not imprisoned by our circumstances. We are not imprisoned by the luck we get or the inherent unfairness of life. We are not imprisoned by crushing setbacks, self-inflicted mistakes or our past success. We are not imprisoned by the time in which we live, by the number of hours in a day or even the number of hours we're granted in our very short lives. In the end, we can control only a tiny sliver of what happens to us. But even so, we are free to choose, free to become great by choice.

..the purpose of bureaucracy is to compensate for incompetence and lack of discipline — a problem that largely goes away if you have the right people in the first place.

The Hedgehog Concept (Simplicity within the Three Circles). To go from good to great requires transcending the curse of competence. Just because something is your core business — just because you’ve been doing it for years or perhaps even decades — does not necessarily mean you can be the best in the world at it. And if you cannot be the best in the world at your core business, then your core business absolutely cannot form the basis of a great company. It must be replaced with a simple concept that reflects deep understanding of three intersecting circles.