We found out we could take fuzzy concepts like depression, alcoholism, and measure them with rigor; that we could create a classification of the mental illnesses; that we could understand the causality of the mental illnesses.
At vi fandt ud af at vi kunne tage slørede koncepter -- som depression, alkoholisme -- og måle dem med strenghed. At vi kunne skabe en klassifikation af de mentale lidelser. At vi kunne forstå kausaliteten  af de mentale lidelser.