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.如果你希望成功,当以恒心为良友,经验为参谋,谨慎为兄弟,希望为哨兵——爱迪生
the only man who is really free is the man one who can turn down an invitation to dinner without giving any excuse.唯一真正自由的人是能拒绝晚会的邀请而且不用提出理由的人——朱尔.勒纳尔。