Thus he has two standpoints from which he can consider himself...: first, as belonging to the world of sense, under the laws of nature (heteronomy), and, second, as belonging to the intelligible world under laws which, independent of nature, are not empirical but founded only on reason.
Immanuel Kant, Groundwork of the Metaphysics of Morals
causality, free-will, moral-philosophy, the-self