Sir, where are you running? Are you doing this for world peace? Are you doing this for the homeless? Are you running for women's rights? The environment? They just couldn't believe that somebody would do all that running for no particular reason. Why are you doing this? I just felt like running. I just felt like running.

My name is Usain Bolt and I don't think limits.

如果你买进时股价过高，那么就算是买了全世界最好的公司的股票，也会变成最糟糕的投资。同理，如果你低价买进一只股票，哪怕公司基本面平平，也可能会成为你投资组合中的明星。