I've learned many things from him (George Soros), but perhaps the most significant is that it's not whether you're right or wrong, but how much money you make when you're right and how much you lose when you're wrong.
- Stanley Druckenmiller as quoted in The New Market Wizards
无论如何预测股市,总会有50%的准确概率。不可能高于50%,也不可能低于50%,否则你就是真正的股神了。