The things that motivate us are to help other people, to feel that we're useful, to feel that we're getting better, to feel that we are kind of living to our potential, to get a sense of meaning. All of those things are positive.

The problem with opportunity cost is that opportunity cost is divided among many, many things.

I always found the appeal to the market gods a bit odd. Why would the market fix mistakes instead of aggravating them?

individuals are honest only to the extent that suits them (including their desire to please others)

Money are very difficult to think about. So, we think about money as the opportunity cost of money. So, we at some point went to a Toyota dealership and we asked people, what will you not be able to do in the future if you bought this Toyota?

The people who need to overcome temptation to the highest degree have the hardest time doing it.

It is very difficult to make really big, important, life-changing decisions because we are all susceptible to a formidable array of decision biases. There are more of them than we realize, and they come to visit us more often than we like to admit.