"Too many people are apt to redeem their profits too quickly. In a huge bull market they wind up with piddling profits, only to watch their former holdings soar. That usually prompts them into making mistakes later when, believing that the market owes them some money, they buy at the wrong time at much higher levels."

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To me the gold price takes the form of a very uncomplicated formula, and all you have to do is divide one by 'n.' And 'n', I'm glad you ask, 'n' is the world's trust in the institution of paper money and in the capacity of people like Ben Bernanke to manage it. So the smaller 'n', the bigger the price. One divided by a receding number is the definition of a bull market.

— James Grant