改变是困难的，但对于进步是必要的。

"Man, unlike any other thing organic or inorganic in the universe, grows beyond his work, walks up the stairs of his concepts, emerges ahead of his accomplishments."

The only way to get through life is to laugh your way through it. You either have to laugh or cry. I prefer to laugh. Crying gives me a headache.

我不理会学科的地域界限，我只是抓住我所能抓住的所有大思想。