The distinction between the doctrine of happiness and the doctrine of morality, in the former of which empirical principles constitute the entire foundation, while in the second they do not form the smallest part of it, is the first and most important office of the Analytic of pure practical reason; and it must proceed in it with as much exactness and, so to speak, scrupulousness, as any geometer in his work.
Zorionaren irakaspenaren eta ohituren irakaspenaren arteko bereizkuntza, non lehenaren oinarri osoa printzipio enpirikoek ematen duten eta bigarrenean horiek esakunetxo txikienik ez duten osatzen, orain arrazoimen praktiko hutsaren analitikan horrek jorratu behar duen lehen betekizun garrantzitsuena da, non hark geometrialariak bere lanean bezain zehazki, penagarri izateraino bezain zehazki ere jokatu behar duen.