认为有一个钟声会告诉投资者何时进入或退出股市的想法根本不可信。
The idea that a bell rings to signal when investors should get into or out of the stock market is simply not credible.
"A man who does not think for himself does not think at all."
科学中真正的回报是为比自身更伟大的事业做出贡献。