Buddhism is a heresy on Hinduism. It was Hinduism that did the dirty work for Buddhism, by the time Buddha came along priest-craft was an ancient tradition in India.
Terence McKennaSafety is really a concern of mine, and what I've been telling people recently is that until there's animal and human data on a drug it should probably be looked at very carefully.
Terence McKennaMarcel Eliade took the position that hallucinogenic shamanism was decadent, and Gordon Wasson, very rightly I believe, contravened this view and held that actually it was very probably the presence of the hallucinogenic drug experience in the life of early man that lay the very basis for the idea of the spirit.
Terence McKenna