Minds are like parachutes; they work best when open. ---Lord Thomas Dewar

头脑就像降落伞一样。它们张开时工作得很好。 ---托马斯。德瓦爵士

Don't part with your illusions. 
When they are gone you may still exist, 
but you have ceased to live?

 Miracles sometimes occur, but one has to work terribly for them.

奇迹有时候是会发生的，但是你得为之拼命的努力。－C. Weizmann（爱尔兰总统魏茨曼）

 If you wish to succeed, you should use persistence as your good friend , experience as your reference , prudence as your brother and hope as your sentry. (Thomas Edison , American inventor )  
如果你希望成功，当以恒心为良友、以经验为参谋、以谨慎为兄弟、以希望为哨兵。 (美国发明家 爱迪生. T.)

Nothing is impossible for a willing heart.

心之所愿，无所不成。

 Ideals are like the stars--- we never reach them, but like mariners, we chart our course by them. 
理想就像是星星---我们永远够不着星星, 但是我们像水手一样, 用它们指引航程。 -----C. Shultz 殊尔茨 (美国政治家)