1、Do not , for one repulse , give up the purpose that you resolved to effect .(William Shakespeare , British dramatist)

不要只因一次失败，就放弃你原来决心想达到的目的。(英国剧作家 莎士比亚.W.)

2、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)

3、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.)

4、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 .)

5、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.)

6、If you doubt yourself , then indeed you stand on shaky11 ground . (Ibsen , Norwegian dramatist )