People who can reliably make outcomes happen without oversight are rare and are the real bottleneck on how much an organization can take on at once.

ambition How much to take on and how hard to push: superlinear returns to effort, focus, slack time, and procrastination.

management Running the place: an executive's calendar, dissent, severance, and what a manager is actually for.

ideas vs execution Whether the idea or the execution behind it is what actually decides an outcome, and who deserves the credit.