What I've observed, and I think it's fair to give credit to the psychedelic experience for this, what I've observed is that nature builds on previously established levels of complexity.
Terence McKennaLanguage, thought, analysis, art, dance, poetry, mythmaking: these are the things that point the way toward the realm of the eschaton.
Terence McKennaI'm proposing on one level that hallucinogens be thought of as almost as social pheromones that regulate the rate at which language develops, and therefore regulate human culture generally.
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 McKennaAnd what is shamanism but philosophy with a hands-on attitude. Philosophy not made around the camp fire, but philosophy based on the acquisition of extreme experience. That's how you figure out what the world is, not by bicycling around in the burbs, but by forcing extreme experience.
Terence McKenna