梦想和目标的区别在于行动。
The difference between a dream and a goal is action.
最痛苦的存在状态是记住未来，尤其是你永远不会拥有的未来。
I have great faith in fools; self-confidence my friends call it.
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
It’s a lie to think you’re not good enough. It’s a lie to think you’re not worth anything.
强调历史研究既要理解历史背景，又要保持学术批判性。