Zoroastrianism

Onan son of Judah “would let [his seed] go to waste on the ground, so as not to provide offspring for his brother. This was wicked in the eyes of YHWH, who killed him” (Genesis 38:9–10). What was Onan’s sin?

In the Persian period, the Torah, which is made up of various law collections, was ascribed to Moses as revealed by YHWH. A parallel development was taking place in Achaemenid Persia that sheds light on this process: The sacred texts called the Avesta, that contain the law​​ (dāta) and tradition (daēnā) of Zoroastrianism​, were being collectively ascribed to Zarathustra (Zoroaster) as revealed by Ahuramazdā.

The historical association of Abraham and Nimrod with Zoroaster, the founder of Zoroastrianism

Immersing in the Priestly Text: In support of Dr. Rabbi Zev Farber's contention in “The Purification of a Niddah: The Torah Requirement” that the Torah does not require women to immerse after niddah in order to become pure.