Justification for infidelity and dishonesty in all their manifestations lies in the marginal cost economics of “just this once.

If the theory accurately predicts what they [scientists] see, it confirms that it's a good theory. If they see something that the theory didn't lead them to believe, that's what Thomas Kuhn calls an anomaly. The anomaly requires a revised theory - and you just keep going through the cycle, making a better theory.

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

Don't worry about the level of individual prominence you have achieved; worry about the individuals you have helped become better people.

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.

In a large successful company where your power base as CEO isn't all that secure, it's hard for a CEO to pursue a truly disruptive strategy.

Often they [writers on the study of management] have a point of view based upon intuition and experience. They then offer a cadence of two-paragraph examples carefully selected to "prove" their theory, and then they write "one size fits all" books. The message is, "If you'd do what these companies did, you'd be successful too."