投资者应该意识到，市场并不总是以传统模型预测的方式回报风险。
I have suffered and despaired and known death and I am glad that I am in this great world.
It is one thing to show a man that he is in an error, and another to put him in possession of truth.
向一个人展示他在错误中是一回事，让他掌握真理是另一回事。