The outcome of all dialectical attempts pure reason not only con firms what we have already proved in the Transcendental Analytic, namely that all the inferences that would carry us out beyond the field of possible experience are deceptive and groundless, but it also simulta neously teaches us this particular lesson: that human reason has a nat ural propensity to overstep all these boundaries, and that transcendental ideas are just as natural to it as the categories are to the understanding,