Reality is, you know, the tip of an iceberg of irrationality that we've managed to drag ourselves up onto for a few panting moments before we slip back into the sea of the unreal.

LSD is different. LSD is like psychoanalytical Drano. It's not a personality.

It seems to me that right under the surface of human neurological organization is a mode shift of some sort that would make language beholdable.

If we could feel what we are doing to the Earth, we would stop immediately.

Drugs induce paranoia and psychosis in people who have never taken any.

What's popularly known as the evolution of consciousness, in other words that the expansion of cognitive repertoire that occurs in human beings, which has always been a great puzzle to evolutionary theory, I believe, occurred in the presence of a kind of catalyst for the human imagination.

Psychedelics can carry you farther and faster than most people care to go. Once you get to psychedelics, it's no longer a matter of seeking the answer, you have found the answer. Now the issue changes dramatically, you must face the answer.