An argument is made that there are just too many question marks about the near future; wouldn't it be better to wait until things clear up a bit? You know the prose: "Maintain buying reserves until current uncertainties are resolved," etc. Before reaching for that crutch, face up to two unpleasant facts: The future is never clear and you pay a very high price for a cheery consensus. Uncertainty actually is the friend of the buyer of long-term values.

There is seldom just one cockroach in the kitchen. You know, you turn on the light and, all of sudden, they all start scurrying around.

The key to investing is not assessing how much an industry is going to affect society, or how much it will grow, but rather determining the competitive advantage of any given company and, above all, the durability of that advantage.

I wouldn't want to manufacture cigarettes. But if I owned - we do own Costco. Do they sell them? Yes. So I don't have a problem owning stock in that. But I just wouldn't want to - I wouldn't want to do it myself. I basically think, if anything is sufficiently antisocial, society should do something about it. But that's a separate question. But - and I don't think there's any company that I have seen that's 100 percent pure.

I don't read economic forecasts. I don't read the funny papers.

Activity is the enemy of investment returns.

We like to buy businesses, but we don't like to sell them.