“…On the Ḥug ha-ʿIyyun, see Scholem, Origins of the Kabbalah, 309-61, esp. 331ff 79. On the circles and straight lines, see Ḥayim Viṭal, ʿEṣ Ḥayyim, 1.2; on the three heads and bodies (imagery taken from Idra ʾ Rabba ʾ), see ʿEṣ Ḥayyim, Šaʿar ha-Kelalim; on the body of zeʿir anpin, see ʿEṣ Ḥayyim, 25.1.…”