人生是一系列的选择，而最难的那些才是最重要的。
Life is a series of choices, and the hardest ones are the ones that matter.
The past is never dead. It's not even past.
最深刻的定理往往源于最简单的观察。
不论你怎么看待历史，历史都会在你身上留下痕迹。