Hindu texts Prior to the start of the common era, the Hindu texts were composed orally, then memorized and transmitted orally, from one generation to next, for more than a millennia before they were written down into manuscripts. This verbal tradition of preserving and transmitting Hindu texts, from one generation to next, continued into the modern era. The Vedas are a large body of Hindu texts originating in ancient India, with its Samhita and Brahmanas complete before about 800 BCE. Composed in Vedic Sanskrit hymns, the texts constitute the oldest layer of Sanskrit literature and the oldest scriptures of Hinduism. Hindus consider
Ancient Iranian religion composed) initially in the 5th-century BC. Another Iranian source are royal inscriptions of the Achaemenid Empire made in the Old Persian (with Akkadian, Aramaic and Elamite translations). These inscriptions, in particular those of Darius I and his son Xerxes I, contain many references to religion. The fact that these are fixed in time and place make them particularly useful. Except from the Achaemenid inscriptions, there is no evidence that the Iranian religious compositions were written until the late Parthian or Sassanid period. This makes ancient Iranian religion the only major religion of the Middle East which has no written texts