Amphitheatrum Sapientiae Aeternae is an alchemical typical, combining each Christianity and magic. His most famed operate on alchemy is the Amphitheatrum Sapientiae Aeternae (Amphitheater of Eternal Wisdom), a perform on the mystical facets of that artwork, which includes the oft-seen engraving entitled "The First Stage of the Great Work", superior-recognized as the "Alchemist's Laboratory".