Poverty is clearly one source of emotional suffering, but there are others, like loneliness. A policy to reduce the loneliness of the elderly would certainly reduce suffering.

A large portion of the weekend effects is explained by differences in the amount of time spent with friends or family between weekends and weekdays.

I have always believed that scientific research is another domain where a form of optimism is essential to success: I have yet to meet a successful scientist who lacks the ability to exaggerate the importance of what he or she is doing, and I believe that someone who lacks a delusional sense of significance will wilt in the face of repeated experiences of multiple small failures and rare successes, the fate of most researchers.

There are some conditions where you have to trust your intuition.

It is the consistency of the information that matters for a good story, not its completeness. Indeed, you will often find that knowing little makes it easier to fit everything you know into a coherent pattern.

People should be conscious of the large contribution made by anything that gets people together easily in the reduction of loneliness and emotional well-being.

Employers who violate rules of fairness are punished by reduced productivity, and merchants who follow unfair pricing policies can expect to lose sales.