Lucky risk takers use hindsight to reinforce their feeling that their gut is very wise. Hindsight also reinforces others' trust in that individual's gut.

Most of the moments of our life - and I calculated, you know, the psychological present is said to be about three seconds long; that means that, you know, in a life there are about 600 million of them; in a month, there are about 600,000 - most of them don't leave a trace.

The amount of success it takes for leaders to become overconfident isn't terribly large.

All of us roughly know what memory is. I mean, memory is sort of the storage of the past. It's the storage of our personal experiences. It's a very big deal.

Intuitive diagnosis is reliable when people have a lot of relevant feedback. But people are very often willing to make intuitive diagnoses even when they're very likely to be wrong.

The concept of happiness has to be reorganised.

When action is needed, optimism, even of the mildly delusional variety, may be a good thing.