Of course I'm troubled by huge consumer debt levels - we've pushed consumer credit very hard in the US. Eventually, if it keeps growing, it will stop growing. As Herb Stein said, "If something cannot go on forever, it will stop." When it stops, it may be unpleasant. Other than Herb Stein's quote, I have no comment. But the things that trouble you are troubling me.

Let me know what your problem is, and I will try to make it more difficult for you.

there are all kinds of wonderful new inventions that give you nothing as owners except the opportunity to spend a lot more money in a business that's still going to be lousy. The money still won't come to you. All of the advantages from great improvements are going to flow through to the customers.

Never, ever, think about something else when you should be thinking about the power of incentives.

After nearly making a terrible mistake not buying See's, we've made this mistake many times. We are apparently slow learners. These opportunity costs don't show up on financial statements, but have cost us many billions.

Understanding both the power of compound interest and the difficulty of getting it is the heart and soul of understanding a lot of things.

Darwin paid particular attention to disconfirming evidence. Objectivity maintenance routines are totally required in life if you're going to be a great thinker.