股市中充满了知道一切价格但不知道价值的人。
The stock market is filled with individuals who know the price of everything, but the value of nothing.
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
一本好书是一个永远不会让你失望的朋友。
时间是最民主的东西;它平等地给予每个人,但每个人使用它的方式不同。