我想揭示大自然的秘密，用来造福人类。我认为在我们的短暂一生中，最好的贡献莫过于此了。——爱迪生（美国发明家）

I want to bring out the secrets of nature and apply them for the happiness of man. I don't know of any better service to offer for the short time we are in the world. ——Thomas Edison (American inventor)