Advaita is another word for nonduality. It means "not two".
Of late, I have been really admiring the works of Paracelsus. I can see in his writings,
more than others, the connection and blending of the material art with the theurgy (literally, "Divine work", but used as a synonym for magic - that is, the influence of the Operator on the Great Work).
A perusal of his terms will show the magnitude of his Genius, incorporating the above and the below.
Here are some wonderful quotes attributed to Paracelsus: