数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。

The poor are not lazy; they are just caught in a system that makes it very hard for them to escape poverty.

When I start, my first idea for a building is with the material.

我在追求完美。

无知比知识更容易滋生自信。

我是无声者的声音。