The essence of mathematics is not to make simple things complicated, but to make complicated things simple.
数学的本质不是把简单的事情复杂化，而是把复杂的事情简单化。
外交家的任务是为国家争取最大的利益，同时避免不必要的冲突和摩擦。
A building should grow from its site like a tree from the earth.
I believe in the passion of creation. Without passion, you have nothing.
只要你不放弃尝试，就永远不会失败。