There is an urgent need for a radical revision of our current concepts of the nature of consciousness and its relationship to matter and the brain.

The knowledge of the realm of death makes it possible for the shaman to move freely back and forth and mediate these journeys for other people.

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.

It became much more complicated politically to work with psychedelics because of the unsupervised experimentation with psychedelics, particularly among young people.

Unlike scientism, science in the true sense of the word is open to unbiased investigation of any existing phenomena.

There is no fundamental difference between the preparation for death and the practice of dying, and spiritual practice leading to enlightenment.

I have taken part in ceremonies with North American and Mexican shamans, as well as Brazilian ceremonies.