“First, when selling because of valuation, it is often with the idea that there will be an opportunity down the road to buy back in at lower prices. In our experience, it seldom works out this way.
Second, of the thousands of publicly traded companies, there are probably fewer than one hundred that meet our criteria, and opportunities to buy them at attractive prices are few and far between. Unlike average businesses that can be traded like-for-like on the basis of valuation alone, growing and competitively advantaged businesses are just too hard to replace.
Third, the very best businesses tend to exceed expectations. What may seem like a high price today may be proven to be perfectly reasonable in hindsight”.