As such, it regarded the human body as a prison house of the soul, which could be liberated from its bodily impediments, through the disciplines of the Arts and Sciences, and advanced from the level of a mortal to that of a God. This was the notion of the summum bonum or greatest good, to which all men must aspire, and it also became the basis of all ethical concepts. The Egyptian Mystery System was also a Secret Order, and membership was gained by initiation and a pledge to secrecy.
