The trade-off between bias and variance is a fundamental concept in machine learning.

每个人的生活都是由许多日子组成的，日复一日。我们在自己之中行走，遇见强盗、幽灵、巨人、老人、年轻人、妻子、寡妇、相爱的兄弟，但总是遇见我们自己。

我跑步的原因是为了定义生活。

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

You don't have to be perfect to inspire others.

快乐的童年会持续一生。