巴菲特总结称，有关可口可乐和美国运通的投资中学到什么？当你找到一个真正了不起的企业时，坚持下去。耐心是有回报的，一个了不起的企业可以抵消许多不可避免的平庸决策。（The lesson from Coke and AMEX? When you find a truly wonderful business, stick with it. Patience pays, and one wonderful business can offset the many mediocre decisions that are inevitable.）