faculty of Sense; in so far as it is a law for us to strive after these Ideas. In fact it is for us a law (of Reason), and belongs to our destination, to estimate as small, in comparison with Ideas of Reason, everything which nature, regarded as an object of Sense, contains that is great for us; and that which arouses in us the feeling of this supersensible destination agrees with that law. Now the greatest effort of the Imagination in the presentation of the unit for the estimation of magnitude indicates a reference to something absolutely great; and consequently a reference to the law of Reason, which bids us take this alone as the supreme measure of magnitude.

Therefore the inner perception of the inadequacy of all sensible standards for rational estimation of magnitude indicates a correspondence with