Hold on to your dreams, even if the whole world doubts you.

模形式的算术是理解高维对象的门户。

"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."

"I try to write books that are honest and true to life."

永远不要问理发师你是否需要理发。