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Sigmund Freud skriver til sin venn Wilhelm Fliess i Berlin: (*OBS! Må oversettes*):
»Dear Wilhelm, Breuer, whom they call the good one, cannot let any opportunity go by when there is a chance of spoiling the most harmless state of contentment. He received my book and thereupon paid a visit to my wife to ask her how the publisher may have reacted to the unanticipated size of this work. ...