Logic doesn't apply to the real world. D. R. Hofstadter and D. C. Dennett (eds.) The Mind's I, 1981.
Marvin MinskyExperience has shown that science frequently develops most fruitfully once we learn to examine the things that seem the simplest, instead of those that seem the most mysterious.
Marvin MinskyThere 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 MinskyEverything, including that which happens in our brains, depends on these and only on these: A set of fixed, deterministic laws.
Marvin Minsky