Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
数学不是关于数字、方程、计算或算法的:它是关于理解的。
When you betray somebody else, you also betray yourself.
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。
The best way to predict the future is to create it.