1. Do not , for one repulse , give up thepurpose 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 .Whenthey 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 ofnature and apply them for the happiness of man . I don't know of any betterservice 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 .(LeoTolstoy , 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 farbehind ?( 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 youstand 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)
7. If you would go up high , then use yourown legs ! Do not let yourselves carried aloft; do not seat yourselves on otherpeople'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.)
8. It is at our mother's knee that weacquire our noblest and truest and highest , but there is seldom any money inthem.( Mark Twain , American writer )
就是在我们母亲的膝上，我们获得了我们的最高尚、最真诚和最远大的理想，但是里面很少有任何金钱。(美国作家马克·吐温)
9. Living without an aim is like sailingwithout a compass. (Alexander Dumas, 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.)
10. The ideals which have lighted my way ,and time after time have given me new courage to face life cheerfully have beenkindness , 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 .)
11. The important thing in life is to havea 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 .)
12. The man with a new idea is a crankuntil 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)
13. The only limit to our realization oftomorrow 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 .)
14. When an end is lawful and obligatory,the indispensable means to is are also lawful and obligatory.(Abraham Lincoln ,American statesman)
如果一个目的是正当而必须做的，则达到这个目的的必要手段也是正当而必须采取的。(美国政治家林肯. A.)