Shamanism is essentially a living tradition of alchemy that is not seeking the stone but has found the stone.
Terence McKennaIt's my belief that one of the unconscious reasons which underlies the odd attitude of the establishment toward hallucinogens is the fact that they bring the mystery to the surface as an individual experience. In other words, you do not understand the psychedelic experience by getting a report from Time magazine or even the Economist. You only understand the psychedelic experience by having it.
Terence McKenna