监管是必要的，但过度监管可能有害。
I'm mentioning all this -- I'm mentioning all this because I think this is not merely a personal problem; you may think I'm wrong in this, but I think we live in an age when our lives are regularly punctuated by career crises, by moments when what we thought we knew -- about our lives, about our careers -- comes into contact with a threatening sort of reality.
唯一能让你快乐的是你自己的微笑。
Ideas are everywhere, but knowledge is rare.