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.)

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 shaky11 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)

If you would go up high , then use your own legs ! Do not let yourselves carried aloft; do not seat yourselves on other people's backs and heads . (F. W . Nietzsche , German Philosopher)

如果你想走到高处，就要使用自己的两条腿!不要让别人把你抬到高处;不要坐在别人的背上和头上。(德国哲学家 尼采. F. W.)

It is at our mother's knee that we acquire our noblest and truest and highest , but there is seldom any money in them.( Mark Twain , American writer )