"The past is a foreign country; they do things differently there."
Words are wise men's counters, they do but reckon by them; but they are the money of fools.
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 essence of mathematics lies in its freedom.
我不惧怕任何人,但我尊重每一个人。
——《临时大总统就职宣言》,1912年