Zoroaster prophecy that saw a return of Sassanid emperor Bahram: Shoghi Effendi also stated that Zoroaster lived roughly 1000 years before Jesus. The Greeks—in the Hellenistic sense of the term—had an understanding of Zoroaster as expressed by Plutarch, Diogenes Laertius, and Agathias that saw him, at the core, to be the "prophet and founder of the religion of the Iranian peoples," Beck notes that "the rest was mostly fantasy". Zoroaster was set in the ancient past, six to seven millennia before the Common Era, and was described as a king of Bactria or a Babylonian (or teacher of Babylonians), and with
Zoroaster he himself had invoked, and even, that the stars killed him in revenge for having been restrained by him. The alternate Greek name for Zoroaster was Zaratras or Zaratas/Zaradas/Zaratos. Pythagoreans considered the mathematicians to have studied with Zoroaster in Babylonia.Lydus, in "On the Months", attributes the creation of the seven-day week to "the Babylonians in the circle of Zoroaster and Hystaspes," and who did so because there were seven planets. The Suda's chapter on "astronomia" notes that the Babylonians learned their astrology from Zoroaster. Lucian of Samosata, in "Mennipus" 6, reports deciding to journey to Babylon "to ask one of