There was a failure to recognize the deep problems in AI for instance, those captured in Blocks World. The people building physical robots learned nothing. – Marvin Minsky
I think Lenat is headed in the right direction, but someone needs to include a knowledge base about learning. – Marvin Minsky
Societies need rules that make no sense for individuals. For example, it makes no difference whether a single car drives on the left or on the right. But it makes all the difference when there are many cars! – Marvin Minsky
When David Marr at MIT moved into computer vision, he generated a lot of excitement, but he hit up against the problem of knowledge representation he had no good representations for knowledge in his vision systems. – Marvin Minsky