Terence McKenna on Meditation, Tantra, Yantra and Psychedelics

...tantra, yantra and meditation work incredibly well in the presence of psychedelics..what these are, are tools developed in the paleolithic period
world of psychedelic magic and all we have now are these tools, but we do not have the original engine that drove them....Terence McKenna

Excerpt from
World and Its Double
www.soundphotosynthesis.com

Terence McKenna (November 16, 1946 – April 3, 2000) was a writer, philosopher, and ethnobotanist. He is noted for his many speculations on the use of psychedelic, plant-based hallucinogens, and subjects ranging from shamanism, the development of human consciousness, and the novelty theory