Boltzmann brain argument

Describe the Boltzmann brain argument, and how its interpretation on physics leads to enlightenment - humans can't be a brain in a box - rather, the physical laws apply to the mind as the brain universe theory is some form of Boltzmann brain, and it is tied directly to the transcendent (add here all required links to explain transcendence and rather than of the notion page (that has a page on its own for it) have it a keyword).