未经审视的生活不值得过。
"The unexamined life is not worth living."
我们开采的岩石讲述着地球的故事;我们只是这份遗产的临时保管者。
"The past is never dead. It's not even past."
Train people well enough so they can leave, treat them well enough so they don't want to.
自由的代价是永远保持警惕。