If people are failing, they look inept. If people are succeeding, they look strong and good and competent. That's the 'halo effect.' Your first impression of a thing sets up your subsequent beliefs. If the company looks inept to you, you may assume everything else they do is inept.

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

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

The idea that you can ask one question and it makes the point - well, that wasn't how psychology was done at the time.

People who face a difficult question often answer an easier one instead, without realizing it.

Many ideas happen to us. We have intuition, we have feeling, we have emotion, all of that happens, we don't decide to do it. We don't control it.

Organizations may be better able to tame optimism than individuals are.