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.
Otkrili smo da neke nejasne pojave, poput depresije ili alkoholizma, možemo podvrgnuti strogim mjerenjima. Da možemo klasificirati mentalne bolesti. Da možemo razumjeti uzroke mentalnih bolesti.