"The success of machine learning depends on the ability to balance the trade-off between bias and variance in the models we build."

我们唯一需要害怕的是恐惧本身的缺失。

To kill an error is as good a service as, and sometimes even better than, the establishing of a new truth or fact.  

The mind is very much influenced by its previous impressions.

The only thing that counts is what cannot be explained.