It seems to me that information is the thing which uses matter, uses light, uses spirit, uses whatever it can put its hands on to organize itself into higher and higher levels of self-reflection.
Terence McKennaShamanism is not some obscure concern of cultural anthropologists. Shamanism is how religion was practiced for its first million years. Up until about 12,000 years ago there was no other form of religion on this planet. That was how people attained some kind of access to the sacred.
Terence McKenna