The truth is that we are all alone in the world.
真相是，我们在这个世界上都是孤独的。
在一个没有上帝的世界里，我们必须创造自己的意义，即使它最终是无意义的。
Science is not just about discovery; it's about making a difference in people's lives.
The best legacy we can leave is a living one.
The unsaid is often more powerful than the said.
粒子的概念只是一个近似，在经典极限下有效。