stupidity: a process, not a state. A human being takes in far more information than he or she can put out. “Stupidity” is a process or strategy by which a human, in response to social denigration of the information she or he puts out, commits him or herself to taking in no more information than she or he can put out. (Not to be confused with ignorance, or lack of data.) Since such a situation is impossible to achieve because of the nature of mind/perception itself in its relation to the functioning body, a continuing downward spiral of functionality and/or informative dissemination results,’ and he understood why! ‘The process, however, can be reversed,’ the voice continued, ‘at any time.
Samuel R. Delany, Stars in My Pocket Like Grains of Sand
ignorance, knowledge, stupidity