It is a capital mistake to theorize before one has data.
在拥有数据之前进行理论化是一个重大错误。
国家一定要有直言进谏的臣子，上级必须有敢于提出反对意见的下级，议论国政的人不停止，各种不同政见的人相互辩论，才可以长久保存国家，使国家兴盛强大。也就是说言论自由是民众的基本权利，每个人都可以提出不同的政见，民众有平等参与政治的权利。
第一个围起一块土地，说'这是我的'，并找到那些愚蠢到相信他的人，那个人就是真正的建立了文明社会的人。
I think the best relationships are the ones where you can be completely yourself.
童年转瞬即逝，但一本好书可以让它停留得更久一点。
Prime numbers are what is left when you have taken all the patterns away. I think prime numbers are like life. They are very logical but you could never work out the rules, even if you spent all your time thinking about them.