Hindsight bias makes surprises vanish.

If you care about being thought credible and intelligent, do not use complex language where simpler language will do.

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 don't try to be clever at all. The idea that I could see what no one else can is an illusion.

We know that the French are very different from the Americans in their satisfaction with life. They're much less satisfied. Americans are pretty high up there, while the French are quite low - the world champions in life satisfaction are actually the Danes.

If people are failing, they look inept. If people are succeeding, they look strong and good and competent. That's the 'halo effect.' Your first impression of a thing sets up your subsequent beliefs. If the company looks inept to you, you may assume everything else they do is inept.

Many ideas happen to us. We have intuition, we have feeling, we have emotion, all of that happens, we don't decide to do it. We don't control it.