Psychedelics are probably responsible for every aspect of human evolution apart from the decline in bodyhair.
Terence McKennaI don't believe that shamanism without hallucinogens is authentic shamanism or comfortable shamanism.
Terence McKennaCultural conditioning is like bad software. Over and over it's diddled with and re-written so that it can just run on the next attempt. But there is cultural hardware, and it's that cultural hardware, otherwise known as authentic being, that we are propelled toward by the example of the shaman and the techniques of the shaman. ... Shamanism therefore is a call to authenticity.
Terence McKennaI believe that what makes the psychedelic experience so central is that it is a connection into a larger modality of organization on the planet, which is a fancy way of saying it connects you up to the mind of Nature Herself.
Terence McKennaThe psychedelic experience is simply a compressed instance of what we call understanding, so that living psychedelically is trying to live in an atmosphere of continuous unfolding of understanding, so that every day you know more and see into things with greater depth than you did before. This is a process of education.
Terence McKenna