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

创造力是用之不竭的。你用得越多，拥有的就越多。

Materials themselves are not important; what matters is how you use them.

The success of a learning algorithm depends on its ability to balance between fitting the data and avoiding overfitting.

验证不仅仅是发现错误；它关乎理解系统为何以某种方式工作。