Physicians dealing with "purely" physical cases have begun to take into serious consideration the "mental" factors which have predisposed a patient to certain ailments.
Freud's views have also made a revision of all ethical and social values unavoidable and have thrown an unexpected flood of light upon literary and artistic accomplishment.
But the Freudian point of view, or more broadly speaking, the psychoanalytic point of view, shall ever remain a puzzle to those who, from laziness or indifference, refuse to survey with the great Viennese the field over which he carefully groped his way. We shall never be convinced until we repeat under his guidance all his laboratory experiments.
We must follow him through the thickets of the unconscious, through the land which had never been charted because academic philosophers, following the line of least effort, had decided a priori that it could not be charted.
Ancient geographers, when exhausting their store of information about distant lands, yielded to an unscientific craving for romance and, without any evidence to support their day dreams, filled the blank spaces left on their maps by unexplored tracts with amusing inserts such as "Here there are lions."
Thanks to Freud's interpretation of dreams the "royal road" into the unconscious is now open to all explorers. They shall not find lions, they shall find man himself, and the record of all his life and of his struggle with reality.
And it is only after seeing man as his unconscious, revealed by his dreams, presents him to us that we shall understand him fully. For as Freud said to Putnam: "We are what we are because we have been what we have been."
Not a few serious-minded students, however, have been discouraged from attempting a study of Freud's dream psychology.
The book in which he originally offered to the world his interpretation of dreams was as circumstantial as a legal record to be pondered over by scientists at their leisure, not to be assimilated in a few hours by the average alert reader. In those days, Freud could not leave out any detail likely to make his extremely novel thesis evidentially acceptable to those willing to sift data.
Freud himself, however, realized the magnitude of the task which the reading of his magnum opus imposed upon those who have not been prepared for it by long psychological and scientific training and he abstracted from that gigantic work the parts which constitute the essential of his discoveries.