If you buy something because it's undervalued, then you have to think about selling it when it approaches your calculation of its intrinsic value. That's hard. But if you buy a few great companies, then you can sit on your ass. That's a good thing.

Accounting is a big subject and there are huge forces in play. The entire momentum of existing thinking and existing custom is in a direction that allows terrible follies to happen, and the terrible follies have terrible consequences.

I won’t bet $100 against house odds between now and the grave.

If the technology hadn't changed, they [newspapers] would still be great businesses. Network TV [in its heyday], anyone could run and do well. If Tom Murphy as running it, you'd do very well, but even your idiot nephew could do well. Fortunately, carbide cutting tools [such as those made by Iscar] don't have these types of substitutes.

One metric catches people. We prefer businesses that drown in cash. An example of a different business is construction equipment. You work hard all year and there is your profit sitting in the yard. We avoid businesses like that. We prefer those that can write us a check at the end of the year.

It takes character to sit there with all that cash and do nothing. I didn't get to where I am by going after mediocre opportunities.

The general culture of investment banking has deteriorated over the years. We did a $6 million deal years ago for Diversified Retailing and we were rigorously and intelligently screened. They bankers cared and wanted to protect their clients. The culture now is that anything that can be sold for a profit will be. 'Can you sell it?' is the moral test, and that's not an adequate test.