I was re-reading the Adam and Eve page on Lostpedia this morning, when I found this interesting note on the talk page, originally posted by CJDTrismegistus back in 2007.
In the book "The Alchemist" by Paul Coelho there are two stones given to the main character that aid him in making decisions - Black = Yes, White = No. The stones are called Urim and Thummim. Urim and Thummim were also the names given to the Seer stones used by the Hebrews and Israelites to interpret God's Will(they were also the "Seeing Stones" that Joseph Smith used to interpret the book of Mormon). Urim and Thummim can be translated as "lights and perfections" or "revelation and truth"
This is so on point! We know the show has used a lot of Old Testament references, and in the context of Jacob & the Man in Black, or 'Esau,' battling over the fate of the world, this reference fits perfectly. Thought?