计算的目的是洞察，而不是数字。

一个运营良好的采石场是物流、效率和团队合作的交响乐。

You cannot not know history.

"The best stories are the ones that make you feel alive."

Liberal democracy may constitute the "end point of mankind's ideological evolution" and the "final form of human government."

数学的本质在于它的自由。