LSD is a catalyst or amplifier of mental processes. If properly used it could become something like the microscope or telescope of psychiatry.
LSD psychotherapy (1980), MAPS 2001 edition, Epilogue, p. 299
It is essential that we raise the image of sex, which is currently seen as a purely biological affair and often portrayed in its worst manifestations, to that of a spiritually based activity.Stanislav Grof
Ritual use of psychedelic plants and substances has been a particularly effective technology for inducing holotropic states of consciousness.Stanislav Grof
LSD is a unique and powerful tool for the exploration of the human mind and human nature. Psychedelic experiences mediate access to deep realms of the psyche that have not yet been discovered and acknowledged by mainstream psychology and psychiatry. They also reveal new possibilities and mechanisms of therapeutic change and personality transformation.Stanislav Grof
[B]y banning psychedelic research we have not only given up the study of an interesting drug or group of substances, but also abandoned one of the most promising approaches to the understanding of the human mind and consciousness.Stanislav Grof
If there were a list of the most influential people in the 20th century (and now a bit beyond), Stanislav Grof would be among them. The importance of altered states of consciousness is now coming to be increasingly recognized, and no one has worked this domain as productively as the author of this book.Stanislav Grof