Many people will admit that they made a mistake [putting money in dot-coms or telecoms at their peak] But that doesn’t mean that they’ve changed their mind about anything in particular. It doesn’t mean that they are now able to avoid that mistake.

If owning stocks is a long-term project for you, following their changes constantly is a very, very bad idea. It's the worst possible thing you can do, because people are so sensitive to short-term losses. If you count your money every day, you'll be miserable.

It is only a slight exaggeration to say that happiness is the experience of spending time with people you love and who love you.

We deeply want to be led by people who know what they're doing and who don't have to think about it too much.

If people can construct a simple and coherent story, they will feel confident regardless of how well grounded it is in reality.

Economists think about what people ought to do. Psychologists watch what they actually do.

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.