the important thing in life is to have a great aim , and the determination to attain it.
人生重要的事情就是确定一个伟大的目标，并决心实现它。
when an end is lawful and obligatory, the indispensable means to is are also lawful and obligatory .
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。
living without an aim is like sailing without a compass.
alexander dumas .
生活没有目标就像航海没有指南针。
it is at our mother's knee that we acquire our noblest and truest and highest , but there is seldom any money in them.
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。
a lifetime of happiness ! no man alive could bear it ; it would be hell on earth .
终身幸福！这是任何活着的人都无法忍受的，那将是人间地狱。
don't part with your illusions . when they are gone you may still exist , but you have ceased to live.
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。
ideal is the beacon. without ideal , there is no secure direction ; without direction , there is no life .
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。
do not , for one repulse , give up the purpose that you resolved to effect .
不要只因一次失败，就放弃你原来决心想达到的目的。
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 .
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。
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 .
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。
if winter comes , can spring be far behind ?
冬天来了，春天还会远吗？