“He who conquers others is strong; he who conquers himself is mighty.” Lao Tzu   Value investing is sometimes misunderstood as a philosophy of buying a stock and never selling it. It’s understandable why people might think this. Legendary value investor Warren Buffett once said, “Our favorite holding period is forever.”   And it’s true: in an ideal world, we would find exceptional businesses at attractive prices and hold them indefinitely.   But the reality is that circumsta