Avesta word for "praise-song" (Bartholomae: "Lobgesang"); that word is not actually attested in any text. The surviving texts of the Avesta, as they exist today, derive from a single master copy produced by Sasanian Empire-era (224–651 CE) collation and recension. That master copy, now lost, is known as the 'Sassanian archetype'. The oldest surviving manuscript ("K1") of an Avestan language text is dated 1323 CE. Summaries of the various Avesta texts found in the 9th/10th century texts of Zoroastrian tradition suggest that a significant portion of the literature in the Avestan language has been lost. Only about one-quarter of the Avestan
The Religion of the Future cooperation and love. Reviewing "The Religion of the Future" in the "Journal of the American Academy of Religion", Andrew B. Irvine wrote that “the book demands to be read not as a contribution to scholarly debate but as a direct intervention in the most important and urgent issues of today … No review could cover all the angles from which this book deserves to be appreciated—and criticized.” Irvine contends that Unger’s argument “dramatically ...simplifies the indefinitely complex data of religion, but it does so in the name of a single religious perspective.” Irvine asks: “What would this book look like