Article III. On the Extension of Morality

From what has been said concerning the nature and sources of morality, it is easily deduced how far morality extends in individual acts. But since theologians specially dispute concerning two questions pertaining here, namely, whether an indifferent act is given not only in species, but also in the individual; and whether the external act and the event following from the internal act have a special morality, we also, following this method, shall answer these two questions in two paragraphs.