It's not natural to have to suffer when we work. We're made to be productive, and yet the world we live in, there's a whole bunch of suffering. And what they need to understand as 10-year-olds, so that when they're 15 and slightly less protected, and when they're 20 and they're moving into a truly semi-independent state, they need to have experienced that memory of persevering and having gotten through hardship.

There are two ways that you can go wrong in our long-term fight against jihadis. One would be to not acknowledge that terrorism and especially jihadi-motivated terrorism, comes from specific places in the world and is connected to specific ideologies. But another way to fall off a cliff and harm our long-term interests would be to imply that the U.S. is at war with Islam.

In the American constitutional system of three different branches, conflict - and I mean that peaceful, vigorous debate - it's a feature of our system, not a bug. We need less all-or - winner-take-all politics.

The U.S. affirms freedom of speech.[Vladimir] Putin is no friend of freedom of speech.

People think if they voted for somebody, they should reflexively defend everything they do or say. And if you voted against somebody, you should just as reflexively oppose everything they do or say. It's not very helpful. What's more constructive for our kids is to go on a case-by-case basis, evaluating particular policies.

It's not natural to have to suffer when we work. We're made to be productive, and yet the world we live in, there's a whole bunch of suffering. And what they need to understand as 10-year-olds, so that when they're 15 and slightly less protected, and when they're 20 and they're moving into a truly semi-independent state, they need to have experienced that memory of persevering and having gotten through hardship.

I think the category of perpetual adolescence, it's a new thing, and it's a dangerous thing. Adolescence is a pretty glorious concept. It's about intentionally transitioning from childhood to adulthood. Being stuck in adolescence - that's a hell. Peter Pan is a dystopia, and we forget that.