自然的简单性不应以我们对简单性的概念来衡量。

宇宙的扭曲面——黑洞、虫洞、奇点和时间扭曲——才是真正的精彩所在。

Where I am, I don't know, I'll never know, in the silence you don't know, you must go on, I can't go on, I'll go on.

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