一本书应该是一种体验，而不仅仅是你阅读的东西。

物理系统的对称性反映在其能级的简并性上。

"The best books are the ones that make you see the world differently."

The advantage of a ridiculously ambitious goal is that it sets the bar very high so even in failure it may be a success measured by the ordinary.

释义：有些事情并非由人的计划所能掌控，人的命运似乎早已安排好。