The only rule is that there are no rules.

"The world is full of obvious things which nobody by any chance ever observes."

有时候最简单的旋律最有力量。

不要为变老而遗憾。这是许多人求之不得的特权。

理论物理学中的知识追求是一场没有终点的旅程，每一个答案都会引出新的问题。