There is nothing more deceptive than an obvious fact.

We are all patchwork, and so shapeless and diverse in composition that each bit, each moment, plays its own game.

数学中的每一个问题都是学习新东西的机会。

创新的速度决定发展的高度。

我们必须衡量重要的东西 - 不仅是财务回报，还包括社会和环境影响。