I would not advise people to buy a car or house without making a list. You will probably improve your intuitions by making a list and then sleeping on it.

However, optimism is highly valued, socially and in the market; people and firms reward the providers of dangerously misleading information more than they reward truth tellers. One of the lessons of the financial crisis that led to the Great Recession is that there are periods in which competition, among experts and among organizations, creates powerful forces that favor a collective blindness to risk and uncertainty.

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.

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

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.

Slow thinking has the feeling of something you do. It's deliberate.

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