Sometimes we can offer a cure, sometimes only a salve, sometimes not even that. But whatever we can offer, our interventions, and the risks and sacrifices they entail, are justified only if they serve the larger aims of a person's life. When we forget that, the suffering we inflict can be barbaric. When we remember it the good we do can be breathtaking.

We now have 30 percent, for example, of Medicare patients who are seeing doctors who are rewarded for doing this kind of work, like high blood pressure control. So, the Affordable Care Act has pushed this direction down the road.

We have medicalized aging, and that experiment is failing us.

Once you start to ask patients about their priorities, you discover what they're living for. Once you uncover that, it helps you, as a doctor, decide what to fight for. And when we do that, we often end up identifying limits to the kind of care that people want. One's assumption is that these people are going to live shorter lives, but what we're doing is protecting quality of life. In doing so, you sometimes end up helping people live longer. Certainly, you help people live better days and with more purpose in their lives.

Good checklists, on the other hand are precise. They are efficient, to the point, and easy to use even in the most difficult situations. They do not try to spell out everything--a checklist cannot fly a plane. Instead, they provide reminders of only the most critical and important steps--the ones that even the highly skilled professional using them could miss. Good checklists are, above all, practical.

Life is choices, and they are relentless. No sooner have you made one choice than another is upon you.

Outsiders tend to be the first to recognize the inadequacies of our social institutions. But, precisely because they are outsiders, they are usually in a poor position to fix them.