16.Achievement provides the only real pleasure in life.( Thomas Edison , American inventor)有所成就是人生唯一的真正乐趣。( 美国发明家 爱迪生. T.)
17.But has the last word been said ? Is all hope to be lost? Is the defeat final No !(Charles De Gaulle , French president)但是难道败局已定，胜利已经无望？不，不能这样说！ (法国总统 戴高乐. C.)我成功是因为我有决心，从不踌躇 。 (法国皇帝 拿破仑. B .)
18.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.)
19.Only those who have the patience to do simple things perfectly ever acquire the skill to do difficult things easily.(Friedrich Schiller , German Dramatist and poet).只有有耐心圆满完成简单工作的人，才能够轻而易举地完成困难的事。(德国剧作家、诗人 席勒. F.)
20.Power invariably means both responsibility and danger .(Theodore Roosevelt, American president)实力永远意味着责任和危险。 (美国总统 罗斯福. T.)
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