When you work on hard problems long enough, you start to see connections where others see only confusion.
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
孩子有超强的记忆力,当孩子可以动手操作而仅用眼看时,会记得更好。
Where they have burned books, they will end in burning human beings.