Linking financial element to energy consumption I think has a huge role if you think about a display instrument that could teach us about what we are using, how much it costs us, how much it is saving, and therefore change our decisions.

With everything you do, in fact, you should train yourself to question your repeated behaviors.

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

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.

In life we encounter many people who, in some way or another, try to tattoo our faces.

We have very strong intuitions about all kinds of things — our own ability, how the economy works, how we should pay school teachers. But unless we start testing those intuitions, we’re not going to do better.

The bad news is that ignoring the performance of people is almost as bad as shredding their effort in front of their eyes. Ignoring gets you a whole way out there. The good news is that by simply looking at something that somebody has done, scanning it and saying "Uh huh," that seems to be quite sufficient to dramatically improve people's motivations.