Below an income of ... $60,000 a year, people are unhappy, and they get progressively unhappier the poorer they get. Above that, we get an absolutely flat line. ... Money does not buy you experiential happiness, but lack of money certainly buys you misery.

Establish a closing ritual. Know when to stop working. Try to end each work day the same way, too. Straighten up your desk. Back up your computer. Make a list of what you need to do tomorrow.

It's nonsense to say money doesn't buy happiness, but people exaggerate the extent to which more money can buy more happiness.

Psychologists really aim to be scientists, white-coat stuff, with elaborate statistics, running experiments.

If people do not know what is going to make them better off or give them pleasure, then the idea that you can trust people to do what will give them pleasure becomes questionable.

In strategic decisions, I'd be really concerned about overconfidence.

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.