世界上没有什么比笑声和好心情更具感染力了。

"A key insight in computational learning theory is that the complexity of a learning problem is determined by the complexity of the hypothesis space and the amount of data available."

The idea comes first, then the form.

我的信念是：做自己，总会有人欣赏。

"You don’t forget the face of the person who was your last hope."

鹰从未像他屈服于向乌鸦学习时那样失去如此多的时间。