我们开采的岩石讲述着地球的故事；我们只是这份遗产的临时保管者。
To look at a thing is very different from seeing a thing. One does not see anything until one sees its beauty. Then and then only, does it come into existence.
The books that the world calls immoral are books that show the world its own shame.
The causal perspective is the key to unlocking the mysteries of the universe.
