The conclusion is straightforward : self-control requires attention and effort.

Often, the most enjoyable part of an activity is the anticipation.

To better avoid errors, you should talk to people who disagree with you and you should talk to people who are not in the same emotional situation you are.

Some memories come with a very compelling sense of truth about them. And that happens to be the case even with memories that are not true.

People are really happier with friends than they are with their families or their spouse or their child.

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

To know whether you can trust a particular intuitive judgment, there are two questions you should ask: Is the environment in which the judgment is made sufficiently regular to enable predictions from the available evidence? The answer is yes for diagnosticians, no for stock pickers. Do the professionals have an adequate opportunity to learn the cues and the regularities? The answer here depends on the professionals' experience and on the quality and speed with which they discover their mistakes.