Uchenaia eruditsiia sostoit imenno v tom, chtoby znat' massu bezpoleznykh veshchei, t.e. takikh veshchei kotorye sami po sebe bezsoderzhatel'ny i lisheny vsiakogo interesa, a interesny dlia uchenogo erudita tol'ko lish' potomu, chto on ikh znaet.