No More Learning

Now, whether they placed this object of pleasure,
which was to supply the supreme conception of goodness, in
happiness, in perfection, in moral [feeling], or in the will of God,
their principle in every case implied heteronomy, and they must
inevitably come upon empirical conditions of a moral law, since
their object, which was to be the           principle of the will,
could not be called good or bad except in its immediate relation to
feeling, which is always empirical.