科学无法解决自然的最终奥秘。这是因为，最终我们自己也是自然的一部分，因此也是我们试图解决的奥秘的一部分。
Science cannot solve the ultimate mystery of nature. And that is because, in the last analysis, we ourselves are part of nature and therefore part of the mystery that we are trying to solve.
The labor market is constantly evolving, and our models should reflect that.
阅读的习惯是唯一没有掺杂任何杂质的享受；当所有其他乐趣消失时，它依然存在。
在绝望中，我们才能找到真正的希望。