Without a doubt these theories and practices were all wrong. 無疑地,這全部的理論和實際都是錯了的。
History also helps provide identity, and this is unquestionably one of the reasons all modern nations encourage its teaching in some form. 歷史也幫助提供身份,而且這無疑地是理由之一,所有的現代國家以一些形式鼓勵它的教學。