"A story is a letter that the author writes to himself, but others are allowed to read."
故事是作者写给自己的一封信，但允许他人阅读。
In mathematics, the simplest questions often lead to the most profound discoveries.
我们这个时代的挑战是在不伤害地球的情况下利用能源。
The failure of an enterprise is not accidental, but inevitable.
心是一个孤独的猎人。