历史学家必须怀有一种信念:人类不会也不能灭亡。
The historian must have a kind of faith that humanity will not and cannot perish.
"The world is a beautiful place and worth fighting for."
It's not supposed to be easy.Anyone who finds it easy is stupid.
We don't have to try so hard.
有时候你必须演奏很久,才能演奏得像你自己。