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.

The extra daily social time of 1.7 hours in weekends raises average happiness by about 2%.

I have always emphasized the willingness to discard.

Laziness is built deep into our nature.

If you can't take the time for a vacation right now, or even a night out with friends, put something on the calendar - even if it's a month or a year down the road. Then whenever you need a boost of happiness, remind yourself about it.

Our comforting conviction that the world makes sense rests on a secure foundation: our almost unlimited ability to ignore our ignorance.

Most things that couples disagree upon aren't worth more than a day's combat.