The truth is I'm not good at enjoying life.

You know, parenting is so personal. And we're all afraid that we didn't quite get it right. And it feels like the stakes are so high. By we - what if we made a mistake?

The Romans thought of themselves as the chosen people, yet they built the greatest army on Earth by recruiting warriors from any background.

Western parents worry a lot about their children's self-esteem. But as a parent, one of the worst things you can do for your child's self-esteem is to let them give up. On the flip side, there's nothing better for building confidence than learning you can do something you thought you couldn't.

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.

Both of my girls have very high self-esteem because they were both able to master certain things; I should think that's good for their confidence.

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.