Diagnostic Quotes (2 quotes)
Psychoanalysis has changed American psychiatry from a diagnostic to a therapeutic science, not because so many patients are cured by the psychoanalytic technique, but because of the new understanding of psychiatric patients it has given us and the new and different concepts of illness and health.
This ability to incorporate the past gives the sharpest diagnostic tool, if one asks whether a body of knowledge is a science or not. Do present practitioners have to go back to an original work of the past? Or has it been incorporated? Science is cumulative, and embodies its past.