The more honest you are, the more open, the less fear you will have.
农民最好的工具是他的头脑。
The beauty of instrumental variables is that they allow us to see the world in a new light.
你对自己了解得越多,你就能给你的角色越多。
The true investor scarcely ever is forced to sell his shares, and at all other times he is free to disregard the current price quotation.