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.)
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 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)
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.)
Living without an aim is like sailing without a compass.
Alexander Dumas (Davy de La Pailleterie, French Writer)
生活没有目标就像航海没有指南针。 (法国作家 大仲马. A.)
The ideals which have lighted my way , and time after time have given me new courage to face life cheerfully. That ideals have been kindness , beauty and truth .(Albert Einstein , American scientist)
有些理想曾为我们引过道路，并不断给我新的勇气以欣然面对人生，那些理想就是——真、善、美。 (美国科学家 爱因斯坦 . A .)
The important thing in life is to have a great aim , and the determination to attain it. (Johan Wolfgang von Goethe , German Poet and dramatist)
人生重要的事情就是确定一个伟大的目标，并决心实现它。(德国诗人、戏剧家 歌德 . J . M .)
The man with a new idea is a crank until the idea succeeds .(Mark Twain , American writer)
具有新想法的人在其想法实现之前是个怪人。 (美国作家 马克·吐温)
The only limit to our realization of tomorrow will be our doubts of today .(Franklin Roosevelt , American president)
实现明天理想的唯一障碍是今天的疑虑。 (美国总统 罗斯福. F .)
Where there is a will , there is a way .( Thomas Edison , American inventor )
有志者，事竟成。 (美国发明家 爱迪生. T.)
Patience is bitter, but its fruit is sweet . (Jean Jacques Rousseau , French thinker)
忍耐是痛苦的，但它的果实是甜蜜的。 (法国思想家 卢梭. J. J.)
Genius only means hard-working all one's life .( Mendeleyer , Russian Chemist)
天才只意味着终身不懈的努力。 (俄国化学家 门捷列耶夫)
I have nothing to offer but blood , toil，tears and sweat . (Winston Churchill, British Politician)
我所能奉献的没有其它，只有热血、辛劳、眼泪与汗水。(英国政治家 丘吉尔 . W.)
Man errs so long as he strives. (Johan Wolfgang Goethe , German poet and dramatist)
人只要奋斗就会犯错误。 (德国诗人、剧作家 歌德. J. W.)
My fellow Americans , ask not what your country can do for you; ask what you can do for your country . My fellow citizens of the world ，ask not what America will do for you, but what together we can do for the freedom of man . (John Kennedy , American President )
美国同胞们，不要问国家能为你们做些什么，而要问你们能为国家做些什么。全世界的公民们，不要问美国将为你们做些什么，而要问我们共同能为人类的自由做些什么。 (美国总统 肯尼迪. J.)
Our destiny offers not the cup of despair , but the chalice of opportunity . (Richard Nixon, American President )
命运给予我们的不是失望之酒，而是机会之杯。(美国总统 尼克松 . R.)
Progress is the activity of today and the assurance of tomorrow .(Emerson, American thinker )
进步是今天的活动、明天的保证。 (美国思想家 家默生)
There is no royal road to science ,and only those who do not dread the fatiguing climb can gain its numinous summits . (Karl Marx, German revolutionary )
在科学上没有平坦的大道，只有不畏劳苦沿着其崎岖之路攀登的人，才有希望达到它光辉的顶点。( 德国革命家 马克思. K .)
The man who has made up his mind to win will never say "impossible ".(Bonaparte Napoleon ,French emperor )
凡是决心取得胜利的人是从来不说“不可能的”。( 法国皇帝 拿破仑. B.)
We cannot always build the future for our youth , but we can build our youth for the future . (Franklin Roosevelt , American president )
我们不能总是为我们的青年造就美好未来，但我们能够为未来造就我们的青年一代。 (美国总统 罗斯福. F.)