Hindsight bias makes surprises vanish.

Negotiations over a shrinking pie are especially difficult because they require an allocation of losses. People tend to be much more easygoing when they bargain over an expanding pie.

I would be wary of experts' intuition, except when they deal with something that they have dealt with a lot in the past.

It's nonsense to say money doesn't buy happiness, but people exaggerate the extent to which more money can buy more happiness.

When you analyze happiness, it turns out that the way you spend your time is extremely important.

After a crisis we tell ourselves we understand why it happened and maintain the illusion that the world is understandable. In fact, we should accept the world is incomprehensible much of the time.

A general “law of least effort” applies to cognitive as well as physical exertion. The law asserts that if there are several ways of achieving the same goal, people will eventually gravitate to the least demanding course of action. In the economy of action, effort is a cost, and the acquisition of skill is driven by the balance of benefits and costs. Laziness is built deep into our nature.