When people are in severe pain, there's an expression, you're a "pain person," and what that means is that nothing else matters.

If you ever go bar hopping, who do you want to take with you? You want a slightly uglier version of yourself. Similar ... but slightly uglier.

Thinking is difficult and sometimes unpleasant.

Money is a great way to get happiness. Right? Lots of wonderful things you can do with money. The question is, are we really optimizing on that? So, if you think about getting lattes and getting cable. Which one of those is actually giving you a greater happiness, and if you have to cut on one of those, which one would you cut? So, I think thinking in terms of concrete terms would help us a great deal.

What kind of people would be able to rationalize better than other people? Better storytellers, right? Creative people, right? Because if you're creative, you find more ways to cheat and still yourself a story about why this is okay.

When it comes to the mental world, when we design things like health care and retirement and stock markets, we somehow forget the idea that we are limited. I think that if we understood our cognitive limitations in the same way that we understand our physical limitations … we could design a better world.

If I gave you now, $10 as a gift, how happy would you be? Would you be happy, is the marginal $10, the best use of $10 you can use? Of course not. If I have you a CD, you know exactly what you are getting and you will have a value for it. So, money has lots of problems with it.