Anbe Sivamayam Satyme Parasivam. Thank you Satguru Bodhinatha for this wonderful explanation on significance behind Siva and Sakti’s marriage, the first time I understood deeper mystical meaning behind this tradition which is common in some parts of Northern India. Aum Namah Sivaya.
In our teachings we're both monistic and theistic. In the beliefs of Saivism the idea of the three worlds is the basis and key to understanding temple worship, theism. The inner worlds are there to help you. The essence of the soul is already the same as the essence of God Siva, monism. You just have to find it.