exclusive attribute of the human race, and have not the smallest right to suppose that Reason exists externally to it, and then proceed to set up a genus called “Rational Beings,” differing from its single known species “Man”; still less are we warranted in laying down laws for such imaginary rational beings in the abstract.
To talk of rational beings external to men is like talking of heavy beings external to bodies. One cannot help suspecting that Kant was thinking a little of the dear cherubim, or at any rate counted on their presence in the conviction of the reader. In any case this doctrine contains a tacit assumption of an anima rationalis, which as being entirely different from the anima sensitiva, and the anima vegetativa, is supposed to persist after death, and then to be indeed nothing