Except for some effects that I attribute mostly to age, my intuitive thinking is just as prone to overconfidence, extreme predictions, and the planning fallacy as it was before I made a study of these issues.

People are really happier with friends than they are with their families or their spouse or their child.

In strategic decisions, I'd be really concerned about overconfidence.

Endlessly amused by people's minds.

There's a tendency to look at investments in isolation. Investors focus on the risk of individual securities.

you know you have made a theoretical advance when you can no longer reconstruct why you failed for so long to see the obvious.

Experts don't know exactly where the boundaries of their expertise are.