"Psychotherapists cannot depend upon general routines or standardized procedures to be applied indiscriminantly to all their patients. Psychotherapy is not the mere application of truths and principles supposedly discovered by academicians in controlled laboratory experiments. Each psychotherapeutic encounter is unique and requires fresh creative effort on the part of both the therapist and patient to discover the principles and means of acheiving a therapeutic outcome. (Milton Erickson)"
Erickson & Rossi, 1979, p. 233-34. In Freedman, J. & Combs, G. (1996). Narrative therapy: The social construction of preferred realities. New York: WW Norton Company