"He also expresses his opinion about the Vedas that “whatever their original and/or secondary purposes may have been, they were not intended as data bases for latter-day historians”, and suggests that “whatever historical evidence they contain, therefore, can only be gleaned by a careful, philologically well-grounded reading of the lines – and between the lines – of the texts” (HOCK 2005:303).He emphasizes the need for “other” and “better” evidence (than astronomical references in the Rigveda) “to establish a date for the Rigveda” (HOCK 2005:303) and (than isolated words in the Avesta) to determine “historical movements in the Indo-Iranian linguistic territory” (HOCK 2005:295)."