That this is the true subordination of our concepts, and that it is morality that first discovers to us the notion of freedom, hence that it is practical reason which, with this concept, first proposes to speculative reason the most insoluble problem, thereby placing it in the greatest perplexity, is evident from the following consideration:
Hori da gure adigaien egiazko sailkapena, eta etikotasunak azaltzen digu lehenengoz askatasunaren adigai, eta beraz, arrazoimen praktikoak lehenik espekulatiboari adigai horrekin arazo konponezinena ezartzen dio, hura horren bidez kinka larrienean jarriz;