Comparison, a great teacher once told me, is the cardinal sin of modern life. It traps us in a game that we can't win. Once we define ourselves in terms of others, we lose the freedom to shape our own lives.

Good is the enemy of great. And that's one of the key reasons why we have so little that becomes great.

The signature of mediocrity is chronic inconsistency.

A culture of discipline is not a principle of business, it is a principle of greatness.

The drive for progress doesn't wait for the external world to say "It's time to change."

If we only have great companies, we will merely have a prosperous society, not a great one. Economic growth and power are the means, not the definition, of a great nation.

Be rigorous about your HR decisions. There is a difference between rigorous and ruthless.