Then no matter whether we base natural ends on a number of intelligent original beings or on a single one the moment we find ourselves with nothing upon which to ground the conception of realism but empirical principles drawn from the actual nexus of ends in the world, on the one hand we cannot help accepting the fact of the discordance with purposive unity of which nature presents many examples, and on the other hand, we can never obtain a sufficiently determinate concept of a single intelligent cause so long as we keep to