写作的行为是一种乐观的行为。如果你觉得这无关紧要，你就不会费心去做。

Systems have sub-systems and sub-systems have sub- systems and so on ad infinitum - which is why we're always starting over.

The more we learn about black holes, the more we realize how much we still don’t know.

"世界是一面镜子，而镜子是一场游戏。"

未经审视的生活不值得过。

The universe is not only stranger than we imagine, it is stranger than we can imagine.