For any culture which is primarily concerned with meaning, the study of death - the only certainty that life holds for us - must be central, for an understanding of death is the key to liberation in life.

I believe that used responsibly and in a mature way, the entheogens mediate access to the numinous dimensions of existence, have a great healing and transformative potential, and represent a very important tool for spiritual development.

Many cultures have independently developed a belief system in reincarnation that includes return of the unit of consciousness to another physical lifetime on Earth.

A number of cases have been reported in which a dying individual has a vision of a person about whose death he or she did not know.

The function of the brain is to reduce all the available information and lock us into a limited experience of the world. LSD frees us from this restriction and opens us to a much larger experience.

In the kind of world we have today, transformation of humanity might well be our only real hope for survival.

At a time when unbridled greed, malignant aggression, and existence of weapons of mass destruction threatens the survival of humanity, we should seriously consider any avenue that offers some hope.