There has been no progress in 60,000 years in reducing the psychedelic experience to a known quantity. It is as terrifying, as awesome, as ecstatic, as irreducible to us as it was to them.
Terence McKennaWe're not going to save the monkey unless we can shed the monkey. And the greatest impetus, the greatest inspiration to the expression of our higher selves comes in the confrontation with psyche that occurs in the psychedelic experience.
Terence McKenna