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 arithmetic of modular forms is a reflection of the deeper symmetries of number theory.
To grow a business, you must first grow the people.
To be born again, first you must die.
一份不允许我用武力捍卫自己免受攻击的契约总是无效的。