I see almost no change in the price of the composite product that flows through Costco I don't feel sorry for the people who pay $27 million for an 8,000-square-foot condo in Manhattan. So inflation comes in places.

The first chance you have to avoid a loss from a foolish loan is by refusing to make it; there is no second chance.

I constantly see people rise in life who are not the smartest - sometimes not even the most diligent. But they are learning machines; they go to bed every night a little wiser than when they got up. And, boy, does that habit help, particularly when you have a long run ahead of you.

Here's one truth that perhaps your typical investment counselor would disagree with: if you're comfortably rich and someone else is getting richer faster than you by, for example, investing in risky stocks, so what?! Someone will always be getting richer faster than you. This is not a tragedy.

If you're going to buy something which compounds for 30 years at 15% per annum and you pay one 35% tax at the very end, the way that works out is that after taxes, you keep 13.3% per annum. In contrast, if you bought the same investment, but had to pay taxes every year of 35% out of the 15% that you earned, then your return would be 15% minus 35% of 15%-or only 9.75% per year compounded. So the difference there is over 3.5%. And what 3.5% does to the numbers over long holding periods like 30 years is truly eye-opening.

Opportunity comes to the prepared mind.

To say accounting for derivatives is Americais a sewer is an insult to sewage.