机器学习算法的最终测试是它在新的、未见过的数据上表现良好的能力。

"The only thing necessary for the triumph of evil is for good men to do nothing."

我们不仅仅是开采石头；我们塑造社区的基础。

如果一个想法一开始不荒谬，那么它就毫无希望。

Separate the processes of creation from improving. You can’t write and edit， or sculpt and polish， or make and analyze at the same time. If you do， the editor stops the creator. While you invent， don’t select. While you sketch， don’t inspect. While you write the first draft， don’t reflect. At the start， the creator mind must be unleashed from judgement.