The people who stand before kings may look like they did it all by themselves. But in fact they are invariably the beneficiaries of hidden advantages and extraordinary opportunities and cultural legacies that allow them to learn and work hard and make sense of the world in ways others cannot. It makes a difference where and when we grew up.

If your parents are billionaires, that might actually be an obstacle to your own happiness and self-development. If you go to Oxford or Harvard, that might actually thwart your desire to graduate with a science or math degree.

Those with health insurance are overinsured and their behavior is distorted by moral hazard. Those without health insurance use their own money to make decisions based on an assessment of their needs. The insured are wasteful. The uninsured are prudent. So what's the solution? Make the insured a little more like the uninsured.

I would say first of all, anyone who wants to challenge the status quo always gets that response. Ninety percent of the time, that's just bull. That's just the way in which people choose to prop up their own privilege or their own particular position. So mostly I shrug it off.

That's your responsibility as a person, as a human being - to constantly be updating your positions on as many things as possible. And if you don't contradict yourself on a regular basis, then you're not thinking.

Nothing frustrates me more than someone who reads something of mine or anyone else's and says, angrily, 'I don't buy it.' Why are they angry? Good writing does not succeed or fail on the strength of its ability to persuade. It succeeds or fails on the strength of its ability to engage you, to make you think, to give you a glimpse into someone else's head—even if in the end you conclude that someone else's head is not a place you'd really like to be.

We vary greatly in the natural advantages that we've been given. The world's not fair