定理是数学的永久文献。
Theorems are the permanent literature of mathematics.
我不是说唱歌手，我是一个韩语的传奇。
The best research often comes from unexpected observations.
The meaning of life is contained in every single expression of life. It is present in the infinity of forms and phenomena that exist in all of creation.
你的快乐不在于城市的七十个奇迹，而在于它对你的一个问题所给出的答案。
"Always assume there's a crisis around the corner."
The goal is not to build more, but to build better.