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確定一個偉大的目標，並決心實現它。
When an end is lawful and obligatory, the indispensable means to is are also lawful and obligatory .
如果一個目的是正當而必須做的，則達到這個目的的必要手段也是正當而必須採取的。
Living without an aim is like sailing without a compass.
Alexander Dumas .
生活沒有目標就像航海沒有指南針。
It is at our mother's knee that we acquire our noblest and truest and highest , but there is seldom any money in them.
就是在我們母親的膝上，我們獲得了我們的最高尚、最真誠和最遠大的理想，但是裏面很少有任何金錢。
A lifetime of happiness ! No man alive could bear it ; it would be hell on earth .
終身幸福！這是任何活着的人都無法忍受的，那將是人間地獄。
Don't part with your illusions . When they are gone you may still exist , but you have ceased to live.
不要放棄你的幻想。當幻想沒有了以後，你還可以生存，但是你雖生猶死。
Ideal is the beacon. Without ideal , there is no secure direction ; without direction , there is no life .
理想是指路明燈。沒有理想，就沒有堅定的方向；沒有方向，就沒有生活。
Do not , for one repulse , give up the purpose that you resolved to effect .
不要只因一次失敗，就放棄你原來決心想達到的目的。
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 .
我想揭示大自然的祕密，用來造福人類。我認爲，在我們的短暫一生中，最好的貢獻莫過於此了。
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 .
如果你想走到高處，就要使用自己的兩條腿！不要讓別人把你擡到高處；不要坐在別人的背上和頭上。
If winter comes , can spring be far behind ?
冬天來了，春天還會遠嗎？
