A text of Tibetan Buddhism describes the time of death as a unique opportunity for spiritual liberation from the cycles of death and rebirth and a period that determines our next incarnation.

This sense of perfection has a built-in contradiction, one that Ram Dass once captured very succinctly by a statement he had heard from his Himalayan guru: "The world is absolutely perfect, including your own dissatisfaction with it, and everything you are trying to do to change it.

Patients reported that their psychedelic sessions were an invaluable experiential training for dying.

Dying people in pre-industrial cultures typically died in the context of an extended family, clan, or tribe.

LSD was not a pharmacological agent generating exotic experiences by its interaction with the neurophysiological processes in the brain. This remarkable substance was clearly an unspecific catalyst of the deep dynamics of the human psyche. The experiences induced by it were not neurochemical artifacts, symptoms of a toxic psychosis as mainstream psychiatrists called it, but genuine manifestations of the human psyche itself.

It is possible to transcend the usual limitations of the body, ego, space, and linear time.

The beliefs concerning reincarnation have great ethical impact on human life and our relationship to the world.