Common sense is not a simple thing. Instead, it is an immense society of hard-earned practical ideas - of multitudes of life-learned rules and exceptions, dispositions and tendencies, balances and checks.
Marvin MinskyAll intelligent problem solvers are subject to the same ultimate constraints - limitations on space, time, and materials.
Marvin MinskyNo computer has ever been designed that is ever aware of what it's doing; but most of the time, we aren't either.
Marvin Minsky