Kant requires three factors to become an authority who can establish a perfect civil constitution: “a correct conception of the nature of a possible constitution, great experience tested in many affairs of the world, and above all else a good will prepared to accept the findings of this experience,” (Idea, 47)
Kant, Immanuel. Idea for a Universal History with a Cosmopolitan Purpose. (1784) KANT Political Writings, ed. Reiss, Hans, transl. Nisbet, H.B., Cambridge University Press.