量子力学的挑战不在于它的复杂性，而在于它的简单性——它迫使我们重新思考关于宇宙的最基本假设。

In times of change, the learners inherit the earth, while the learned find themselves beautifully equipped to deal with a world that no longer exists.《Steel and Strategy》

亲眼目睹世道的变化趋向，才知道国家治乱的关键必定在于人心的向背和风俗的好坏。