Life is 10% what happens to you and 90% how you react to it.
勤俭了就有了约束,有约束了就会各种好事都做;奢侈就放肆,放肆则各种坏事都泛滥。
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。