Shortly after the birth control pill was approved for public distribution, one woman wrote to John Rock, its inventor, "You should be afraid to meet your maker." Rock, despite being Catholic replied, "My dear Madam, in my faith, we are taught that the Lord is with us always. When my time comes, there will be no need for introductions."

People at CDC [Centers for Disease Control] who cut their teeth on diseases over the last 10 years have started to think of crime as another disease, and using some of these same concepts. It was something that was in the air in that world, but it was time to bust it out and apply it to any number of different social epidemics.

Instinct is the gift of experience. The first question you have to ask yourself is, 'On what basis am I making a judgment?' ... If you have no experience, then your instincts aren't any good.

Those three things - autonomy, complexity, and a connection between effort and reward - are, most people will agree, the three qualities that work has to have if it is to be satisfying.

If you think advantage lies in resources, then you think the best educational system is the one that spends the most money.

I always resist seeing my own personal motivation in my work, but I guess it must be there on some level. And I do feel very much that my life follows the kinds of things I talk about in my books. I've always thought of myself as an insanely lucky person, so perhaps the success of my first two books led me to want to examine this phenomenon on some unconscious level.

Re-reading is much underrated. I've read The Spy Who Came in from the Cold once every five years since I was 15. I only started to understand it the third time.