历史研究需要‘同情之理解’，但更需保持客观与批判。
强调历史研究既要理解历史背景，又要保持学术批判性。
一个好的模型应该在复杂性和准确性之间取得平衡，捕捉基本动态而不过度拟合。
The most important property of a program is whether it accomplishes the intention of its user.
"The most important thing in empirical work is to be clear about the question you are trying to answer."
设计是在梦想与现实之间谈判。
"Kindness is a language that everyone understands."