Truly successful decision-making relies on a balance between deliberate and instinctive thinking.

The conventional explanation for Jewish success, of course, is that Jews come from a literate, intellectual culture. They are famously "the people of the book." There is surely something to that. But it wasn't just the children of rabbis who went to law school. It was the children of garment workers. And their critical advantage in climbing the professional ladder wasn't the intellectual rigor you get from studying the Talmud. It was the practical intelligence and savvy you get from watching your father sell aprons on Hester Street.

A study at the University of Utah found that if you ask someone why he is friendly with someone else, he’ll say it is because he and his friend share similar attitudes. But if you actually quiz the two of them on their attitudes, you’ll find out that what they actually share is similar activities. We’re friends with the people we do things with, as much as we are with the people we resemble. We don’t seek out friends, in other words. We associate with the people who occupy the same small, physical spaces that we do.

Science fiction annoyed me because it was like, "Why is the world as it is not enough for you?"

We are approaching levels - if we're not beyond levels - of threshold for the number of messages that consumers can take in in a given day. There is a kind of hunger for some kind of new approach to getting the word out about something.

Ideas and products and messages and behaviors spread just like viruses do.

I write my books to challenge my own feelings and theories. Perhaps most surprising was what I learned about rice farming. It was really interesting to think of how different Asian and Western cultures are as a result of the kinds of agricultural practices that our ancestors used for thousands of years. The life of a Chinese peasant in the Middle Ages was so dramatically different from the life of a European peasant - night and day different.