I am satisfied to start off [for those who think this is the beginning] referencing a John Heider interview. Heider had involvement with the 12 Step domain. Sorry the link at the end of this post only streams an excerpt of an interview. Heider mentions the "Higher Self" somewhere in the full interview.
In her 70s and 80s my mother liked to plug the feminine side of God. It was a real insight she had. Aspects of this viewpoint remain hard to grasp at times, though, for others of us who had the standard religious training. But now in my 60s (and in my 50s) I see (and saw) it too. Proceeding from this view of hers and, for instance, John Heider's breakdowns of "Tao Te Ching"...to simplify my own view on all of this: Feminine and masculine...yin and yang...came out of the Great Spirit, so it follows they were part of the Great Spirit to begin with.
3. music links, Return to Spirit, & other items to read