To me it begins and ends with these psychedelic substances. The synergy of the psilocybin in the hominid diet brought us out of the animal mind and into the world of articulated speech and imagination.
Terence McKennaI think there's a shamanic temperament, which is a person who craves knowledge, knowledge in the Greek sense of gnosis. In other words, knowledge not of the sort where you subscribe to Scientific American, and it validates what you believe, but cosmologies constructed out of immediate experiences that are found to be always applicable.
Terence McKennaHuman populations that do not have contact with the psychedelic tremendum are neurotic because they are male ego dominated.
Terence McKenna