29 The first lung of the ladder calls for predictions based on passive observations.

30 The goal of strong AI is to produce machine with humanlike intelligence,able to converse with and guide humans.

30 The difference is profound and lies in the absence of model of reality.

31 A sufficienctly strong and accurate model can allow us to use runge-one (observational) data to answer rung-two (intervention) queries.

以深度学习为代表的人工智能的里程碑，其实只是强人工智能的一个小小波浪的爆发~