The key to good decision making is not knowledge. It is understanding. We are swimming in the former. We are desperately lacking in the latter.

I don't want to be like the angry old guy in the corner who is always ranting and raving about the same things - but I don't mind doing that just a little bit!

It's not about how smart you are. It's about your values.

Occasions when you can change your mind should be cherished, because they mean you're smarter than you were before.

When crime drops dramatically in New York for no apparent reason, or when a movie made on a shoestring budget ends up making hundreds of millions of dollars - we're surprised. I'm saying, don't be surprised. This is the way social epidemics work.

People are experience-rich and theory-poor. I help people organize / make sense of their experiences.

Our acquaintances—not our friends—are our greatest source of new ideas and information. the internet lets us exploit the power of these kinds of distant connections with marvellous efficiency.