this is interesting, read it with an understanding of running energy and some parts sound like instructions to practice QT!

" The origin of the Hermes' Emerald Tablet has posed just as much of a mystery as does its interpretation. The Emerald Tablet is the cornerstone of western alchemical thought. Alchemy is the practical application of the Hermetic Philosophy which is contained, in total, in its 13 succinct portions. Hermes Trismegistus (thrice great), a supreme magus, is the author of the transcendent masterpiece called "The Emerald Tablet" which is the most revered magical / transcendental writing in all of Western mysticism. "
http://www.templeofsolomon.org/Etablet.htg/emerald_tablet.htm