According to Theosophists, the human monad is a name for that part of a person which is the root of the human ego. After physical death it helps create the "Reincarnating Ego" for its next incarnation.
Readers, please enjoy this guest blog post by Sandra Kynes, author of several books, including The Herb Gardener's Essential Guide, Plant Magic, and the new Witches' Encyclopedia of Magical Plants, among many others.
Although a few old books...