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 rate at which a person can mature is directly proportional to the embarrassment he can tolerate.
Great leaders don’t just lead people—they inspire them to lead themselves.
音乐是我的信仰，我会一直坚持下去。
The study of the mind must be value-free.