Don't part with your illusions. When they are gone you may still exist, but you have ceased to live. (Mark Twain, American writer)　　不要放弃你的幻想。当幻想没有了以后,你还可以生存,但是你虽生犹死。((美国作家 马克·吐温)

　　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.)

　　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.)

　　If winter comes, can spring be far behind ?( P. B. Shelley, British poet )　　冬天来了,春天还会远吗?( 英国诗人, 雪莱. P. B.)

　　If you doubt yourself, then indeed you stand on shaky ground. (Ibsen, Norwegian dramatist )　　如果你怀疑自己,那么你的立足点确实不稳固了。 (挪威剧作家 易卜生)

　　Two gates there are for dreams," said Penelope to Odysseus after his ten years' wandering had ended. "One made for horn and one of for ivory. The dreams that pass through the carved ivory delude and bring us tales that turn to naught;those that can come through polished horn accomplish real things whenever seen."梦想有两扇门，在奥德修斯结束了十年的漂泊后，潘尼洛对他说，一扇是号角制成，一扇是象牙制成。通过精雕细缕的象牙门得梦想不过是一场会归于无的海市蜃楼的童话;而那些通过磨砺的号角门的梦想才会成为真实，为人所见。