我整洁、干净、刮了胡子、清醒，我不在乎谁知道。
I was neat, clean, shaved and sober, and I didn't care who knew it.
We live in time—it holds us and moulds us—but I’ve never felt I understood it very well.
你越是试图忘记，就越是记得。
所有这些说明的目的是引导探索者的心智朝向它们背后的唯一实相。
The concept of computational complexity is not just about how fast we can compute, but also about understanding the limits of what can be computed.