It is slowly becoming understood that the modality of being is the modality of mind.
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 McKennaThe idea of psychedelic societies is something new. And it doesn't necessarily mean that everyone takes the drug. It merely means that the complexity and the mysteriousness of mind are centered in the consciousness of the civilization as the mystery which it comes from and which it must relate to in order to be relevant.
Terence McKenna