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

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.)