Instilling a sense of self-discipline and focus when the kids are younger makes it so much easier by the time they get into high school.

Never complain or make excuses. If something seems unfair, just prove yourself by working twice as hard and being twice as good.

I kind of - I like my life, I feel I have lots of opportunities. And my parents actually having had such high expectations for me - I would say it's the greatest gift that anyone has ever given me. I complained a lot when I was little, but that's how I feel now. And that's why I tried to do the same with my two daughters.

The most successful hyperpowers are the ones where there was actual intermixing. Tang dynasty China was Chinas golden age, and contrary to what I was told when I was growing up, Tang China was founded by a man who by todays standards was no more than half Chinese. It was a mixed-blood dynasty that pulled in "barbarians" from the steppe.

I'm a proud strict mom and, you know, I'm really proud of the two daughters I've raised. And I'm especially proud of my relationship with them. We're very close. I think we're good friends.

As a purely mathematical fact, people who sleep less live more.

Genghis Khan decreed religious tolerance for all of his conquered peoples. So I think he definitely would approve of our constitutional protections of freedom of religion. I think he would also approve of the way the U.S. has been able to attract talented people from all over the world.