因果视角是解开宇宙之谜的关键。

在深冬里，我终于明白，在我内心深处有一个不可战胜的夏天。

"To read is to travel without moving, to live a thousand lives in one."

Nobody wants to be this strenuous thing: an individual; it demands an effort.

长夜黑暗，处处险恶。