一个人的价值不应该用他最坏的那天来衡量。
The cloud stood humbly in a corner of the sky,The morning crowned it with splendour.
市场效率并不意味着价格总是正确的,而是意味着价格不可能被一致预测。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
我们今天开采的石料,就是留给后世的遗产。