The historian must have a kind of faith that humanity will not and cannot perish.
历史学家必须怀有一种信念：人类不会也不能灭亡。
效率是把事情做对，效果是做对的事情。
To catch a husband is an art; to hold him is a job.
Don't let the noise of others' opinions drown out your own inner voice.
沉默是被压迫者的语言。