The premise of this book is that it is easier to recognize other people's mistakes than your own.

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

When you look at the books about well-being, you see one word - it's happiness. People do not distinguish.

Ten minutes of a smartphone in front of your nose is about the equivalent of an hour long walk in bright daylight. Imagine going for an hour long walk in bright daylight and then thinking, "Now I'll get some sleep." It ain't going to happen.

Except for some effects that I attribute mostly to age, my intuitive thinking is just as prone to overconfidence, extreme predictions, and the planning fallacy as it was before I made a study of these issues.

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.

We are prone to overestimate how much we understand about the world and to underestimate the role of chance in events.