The real issue is, how much goodwill do you invest in the work? And goodwill is not something that we can buy with money. It's very hard to buy goodwill with money.

Once you break the social norm and create a new social norm, all of a sudden it can stay with us for a long time.

Not all debt is bad. From time to time we should get into debt when there's a good reason for that.

When we save, everybody in the household is just suffering. By having the coin in a visible way, when you scratch, you can say the person that is in charge of the making money for the family is doing the right thing.

Disasters are usually a good time to re-examine what we've done so far, what mistakes we've made, and what improvements should come next.

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

Big Data is like teenage sex: everyone talks about it, nobody really knows how to do it, everyone thinks everyone else is doing it, so everyone claims they are doing it.