However, optimism is highly valued, socially and in the market; people and firms reward the providers of dangerously misleading information more than… - Daniel Kahneman

People tend to assess the relative importance of issues by the ease with which they are retrieved from memory — and this is largely determined by the extent of coverage in the media. Frequently mentioned topics populate the mind even as others slip away from awareness.

The mistake that people make in the focusing illusion involves attention to selected moments and neglect of what happens at other times. The mind is good with stories, but it does not appear to be well designed for the processing of time. During the last ten years we have learned many new facts about happiness. But we have also learned that the word happiness does not have a simple meaning and should not be used as if it does. Sometimes scientific progress leaves us more puzzled than we were before.

In essence, the optimistic style involves taking credit for successes but little blame for failures.