There's not many businesses where someone can come in and offer to cut the price in half and somebody doesn't think about shifting. But that's the nature of the ratings business.
I believe the chance of any event causing Berkshire to experience financial problems is essentially zero. We will always be prepared for the thousand-year flood; in fact, if it occurswe will be selling life jackets to the unprepared.
In a bull market, one must avoid the error of the preening duck that quacks boastfully after a torrential rainstorm, thinking that its paddling skills have caused it to rise in the world. A right-thinking duck would instead compare its position after the downpour to that of the other ducks on the pond.
I do not like debt and do not like to invest in companies that have too much debt, particularly long-term debt. With long-term debt, increases in interest rates can drastically affect company profits and make future cash flows less predictable.
If we start deciding, based on guesses or emotions, whether we will or won't participate in a business where we should have some long run edge, we're in trouble.