战场交锋，即使列阵有方，但以勇猛为本；操办丧事，即使礼节周全，但以哀痛为本；文人学士，即使学富五车，但以德行为本

Mathematics is the language with which God has written the universe.

写作是一种生存方式。

"In times of uncertainty, clear communication and decisive action are more important than ever."

In the search for truth, there are no final answers, only better questions.

你的空气无法流动是因为我。

实现明天的唯一限制就是我们今天的怀疑。