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我想揭示大自然的秘密，用來造福人類。我認為，在我們的短暫一生中，最好的貢獻莫過於此了。(美國發明家 愛迪生 t