不要害怕失败;害怕不去尝试。
Don't fear failure; fear the absence of trying.
资本资产定价模型并非旨在成为资本市场的实证均衡理论,而是一种规范性理论,描述如果投资者以某种方式行事,价格应如何表现。
La historia de un país no se puede entender sin conocer su literatura.
Sometimes the best way to help the poor is to give them cash and let them decide how to spend it.