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To . This poor soul of  has always a rule that makes him/her (in his/her mind) absolutely right - no matter is (s)he knowledgeable about the subject (s)he tries to elaborate or not. Also, (s)he has the rule which his/her opponent breaks regularly - ""Please stop your personal attacks ..."". Sure thing, Wikipedia is a free source of knowledge - which must be freed of mentally challenged people (and their 'contributions') like  - in order to be credible and respectable source.  "