the decline of literature indicates the decline of a nation ; the two keep in their downward tendency.( johan wolfgang von goethe , german poet ) 文学的衰落表明一个民族的衰落。这两者走下坡路的时间是齐头并进的。(德国诗人 歌德 . j . w .)
　　ideal is the beacon. without ideal , there is no secure direction ; without direction , there is no life .( leo tolstoy , russian writer) 理想是指路明灯。没有理想，就没有坚定的方向；没有方向，就没有生活。 (俄国作家 托尔斯泰. l .)
　　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。(美国发明家 爱迪生. t.)