thereisawill,thereisaway.(ThomasEdison,Americaninventor)有志者，事竟成。

28、Ifyouwishtosucceed,youshouldusepersistenceasyourgoodfriend,experienceasyourreference,prudenceasyourbrotherandhopeasyoursentry.(ThomasEdison,Americaninventor)　　如果你希望成功，當(dāng)以恒心為良友、以經(jīng)驗(yàn)為參謀、以謹(jǐn)慎為兄弟、以希望為哨兵。

29、Iwanttobringoutthesecretsofnatureandapplythemforthehappinessofman.Idontknowofanybetterservicetoofferfortheshorttimeweareintheworld.(ThomasEdison,Americaninventor)　　我想揭示大自然的秘密，用來(lái)造福人類。我認(rèn)為，在我們的短暫一生中，最好