And among the teachings of Baha'u'llah is that religious, racial, political, economic and patriotic prejudices destroy the edifice of humanity. As long as these prejudices prevail, the world of humanity will have no rest. For a period of six thousand years history informs us about the world of humanity. During these six thousand years the world of humanity has not been free from war, strife, murder and bloodthirstiness. In every period war has been waged in one country or another, and that war was due to either religious prejudice, racial prejudice, political prejudice or patriotic prejudice. It has, therefore, been ascertained and proved that all prejudices are destructive of the human edifice. As long as these prejudices persist, the struggle for existence must remain dominant, and bloodthirstiness and rapacity continue. Therefore, even as was the case in the past, the world of humanity cannot be saved from the darkness of nature, and cannot attain illumination, except through the abandonment of prejudices and the acquisition of the morals of the Kingdom.... (29:3)

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