"As far as these points are concerned, we must at any rate bear in mind that the great mountain ranges running from the Hindu Kush to the Pamir and the Himalayas could, with their arctic temperatures, have inspired the various successive identifications of nordic, polar elements with the ancient cosmology and traditional geography of the Aryans. This could be the explanation of the story of the severe climate of Airyana Vaēǰah rather than that deriving from theories about nordic origins and reminiscences."