Caduceus as a symbol of medicine why he chose a herald's wand as a symbol, making it clear that he chose it as a symbol of prudence. This same passage was also earlier referenced by Engle in refuting Garrison's claim. Engle and Friedlander are not the only ones to have noted that the use of the Caduceus by Caius had nothing to do with supposed medical symbolism; as indicated in a publication produced by the Royal College of Physicians itself: "[...] by introducing the caduceus into the ceremony of the College of Physicians, Caius unintentionally added to the confusion between the two emblems for later times,
Serpents in the Bible Eden. Throughout the Hebrew Bible, it is also used in conjunction with "saraph" to describe vicious serpents in the wilderness. The "tannin", a dragon monster, also occurs throughout the Hebrew Bible. In the Book of Exodus, the staffs of Moses and Aaron are turned into serpents, a "nāḥāš" for Moses, a "tannin" for Aaron. In the New Testament, the Book of Revelation makes use of "ancient serpent" and "the Dragon" several times to identify Satan or the devil. (; ) The serpent is most often identified with the hubristic Satan, and sometimes with Lilith. The story of the Garden of