We are often confident even when we are wrong, and an objective observer is more likely to detect our errors than we are.

You should not take your intuitions at face value.

Most of the time, we think fast. And most of the time we're really expert at what we're doing, and most of the time, what we do is right.

In essence, the optimistic style involves taking credit for successes but little blame for failures.

Clearly, the decision-making that we rely on in society is fallible. It's highly fallible, and we should know that.

There's a very good reason for why economics developed the way it did, and that is that in many situations, the assumption that people will exploit the opportunities available to them is very plausible, and it simplifies the analysis of how markets will behave.

The average investor's return is significantly lower than market indices due primarily to market timing.