The Metaphysical Elements of Ethics by Immanuel Kant Chapter 1 Page 2

the law itself), when we look to the internal determination of the will (the spring), for thus only is it possible to combine that constraint (even if it were external) with the freedom of the elective will. The notion of duty then must be an ethical one.

* Man, however, as at the same time a moral being, when he considers himself objectively, which he is qualified to do by his pure practical reason, (i.e. according to humanity in his own person), finds himself holy enough to transgress the law only unwillingly; for there is no man so depraved who in this transgression would not feel a resistance and an abhorrence of himself, so that he must put a force on himself. It is impossible to explain the phenomenon that at this parting of the ways (where the beautiful fable places

Hercules