在物理学的世界里，我们经常发现最简单的问题最难回答。
In the world of physics, we often find that the simplest questions are the hardest to answer.
It is absurd to divide people into good and bad. People are either charming or tedious.
"The only true voyage of discovery, the only fountain of Eternal Youth, would be not to visit strange lands but to possess other eyes, to behold the universe through the eyes of another, of a hundred others, to behold the hundred universes that each of them beholds."
The role of the artist is to make the invisible visible.