In this breathtaking lecture segment, Terence Mckenna passionately shares his personal, eye-wtiness based understanding of the varying realms of existence that can be briefly visited through the ingestion of neurotransmitters.

He discusses the struggles faced in the scientific approach to understanding these substances and the divergent plains of reality that they reveal as the thought of life after death is one of the most intellectually challenging concepts for the secular minded to question. His impassioned words offer a compelling view, with which we can subject our material existence to an entirely new line of questioning.