教育:从自负的无知到痛苦的不确定之路。
Education: the path from cocky ignorance to miserable uncertainty.
The best way to learn mathematics is to do mathematics.
如果没有君主,人们各自可以自私自利。
创新不是对一切都说“是”,而是对除最关键功能外的一切说“不”。
Society is well governed when its people obey the magistrates, and the magistrates obey the law.