“如果你活到100岁，那么我希望活到100岁减去1天，这样我的生活中就不会失去你啦。”

The PAC learning framework provides a formal way to analyze the efficiency and effectiveness of learning algorithms.

Every image embodies a way of seeing.

不要只追逐金钱，追逐你的热情。

Every age has its massive moral blind spots. We might not see them, but our children will.