Zoroaster his subjects to adopt the religion of the Magians. Recalling other tradition, al-Tabari (i.681–683) recounts that Zaradusht accompanied a Jewish prophet to Bishtasb/Vishtaspa. Upon their arrival, Zaradusht translated the sage's Hebrew teachings for the king and so convinced him to convert (Tabari also notes that they had previously been "Sabi"s) to the Magian religion. The 12th-century heresiographer al-Shahrastani describes the Majusiya into three sects, the "Kayumarthiya", the "Zurwaniya" and the "Zaradushtiya", among which Al-Shahrastani asserts that only the last of the three were properly followers of Zoroaster. As regards the recognition of a prophet, Zoroaster has said: "They ask you
Zoroaster died when he was 77 years and 40 days old. The later Pahlavi sources like Shahnameh, instead claim that an obscure conflict with Tuiryas people led to his death, murdered by a "karapan" (a priest of the old religion) named Brādrēs. In the Gathas, Zoroaster sees the human condition as the mental struggle between "aša" (truth) and "druj" (lie). The cardinal concept of "aša"—which is highly nuanced and only vaguely translatable—is at the foundation of all Zoroastrian doctrine, including that of Ahura Mazda (who is "aša"), creation (that is "aša"), existence (that is "aša") and as the condition for free