Dr. Miller says, 'To Freud we owe all modern psychology', but it is evident that what psychology appears in this paper is not of the nature that Freud has evolved, therefore it must be regarded as the 'sterile academic' type. The author complains that in psychology other than Freud's the 'unconscious motive is to all intents and purposes omitted', yet we hear very little about the 'unconscious motive' in his paper, while to the conscious one is assigned the chief importance. Such being the case, our knowledge of adaptation is not advanced.