骄纵、傲慢、急躁、暴戾的人，不可与他交朋友。

所以,音乐越繁复,治国的成绩越少。因此来看,音乐不是用来治理天下的啊！

Reading is not a movement of the eyes; it’s a movement of the mind.

The challenge in computational learning theory is to understand the capabilities and limitations of learning algorithms.