The best time to sell a stock is almost never.

远大理想

Mental phenomena can only be understood in terms of their consequences for action.

我对黑暗感兴趣。如果你不走进黑暗，你永远看不到光明。

在一部好的推理小说中，读者应该在阅读过程中既感到娱乐又感到挑战。

The financial markets generally are unpredictable. So that one has to have different scenarios... The idea that you can actually predict what's going to happen contradicts my way of looking at the market.