Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.

"Language is the house of being, and words are its bricks."

The human being is the only animal that thinks about the future.

通货膨胀是夜间的窃贼。

恐惧不是你的敌人。它是一个指南针，指向你需要成长的领域。