Immanuel Kant begins his work, Groundwork of the Metaphysic of Morals, by dividing human knowledge into three branches: logic; physics; and ethics.He further divides ethics (which relates indirectly to reason), into empirical knowledge, and a priori knowledge. With reference to ethical behavior, the first term applies to sensuous experience, and the second to some inborn intrinsic knowledge. By making these distinctions Kant immediately alerts the reader that he finds morality and ethics to be metaphysical in nature. In other words, he finds some human concepts are simply consistent within themselves and must be excepted as such. For Kant, then, ethics, and therefore reason, are part of the human condition and have certain qualities that are …