Safety is really a concern of mine, and what I've been telling people recently is that until there's animal and human data on a drug it should probably be looked at very carefully.

Nothing is as boundary dissolving, except for psychedelic compounds, as travel. Travel is up there.

What I always hoped for out of the psychedelic voyaging was to bring back something. I always felt, and still feel, that that is the attitude with which you should go into these things.

Alchemy is about the generation of a psychic construct, a wholeness, a thing which has many properties, which is paradoxical, which is both mind and matter, which can do anything.

In other words, all these things you might cling to, Catholicism, democratic ideals, Hasidism, Marxism, Freudianism, all of these things are exposed [through use of psychedelics] as simply quaint cultural artifacts, painted masks and rattles assembled by people of good intent but clearly not great grasp of the situation.

Nature has an economy, an elegance, a style, that if we could but emulate it we could rise out of the rubble we are making out of the planet

[This legendary Amazonian substance is] a cybernetic transdimentional medium of some sort that is generated out of the mysteries of the physiology of the human body.