数学是理性的音乐。

解析：迷悟、凡圣，只在一念之间。

成功的关键是专注于目标，而不是障碍。

"Writing is the only thing that, when I do it, I don't feel I should be doing something else."

There is no such thing as a moral or an immoral book. Books are well written, or badly written. That is all.

成功是一段旅程，而不是一个目的地。