Читать книгу Summa Theologica, Part II-II (Secunda Secundae) онлайн

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I answer that, As shown above, it is by human virtue that human acts are rendered good; hence, any habit that is always the principle of a good act, may be called a human virtue. Such a habit is living faith. For since to believe is an act of the intellect assenting to the truth at the command of the will, two things are required that this act may be perfect: one of which is that the intellect should infallibly tend to its object, which is the true; while the other is that the will should be infallibly directed to the last end, on account of which it assents to the true: and both of these are to be found in the act of living faith. For it belongs to the very essence of faith that the intellect should ever tend to the true, since nothing false can be the object of faith, as proved above (Q. 1, A. 3): while the effect of charity, which is the form of faith, is that the soul ever has its will directed to a good end. Therefore living faith is a virtue.

On the other hand, lifeless faith is not a virtue, because, though the act of lifeless faith is duly perfect on the part of the intellect, it has not its due perfection as regards the will: just as if temperance be in the concupiscible, without prudence being in the rational part, temperance is not a virtue, as stated above (I-II, Q. 65, A. 1), because the act of temperance requires both an act of reason, and an act of the concupiscible faculty, even as the act of faith requires an act of the will, and an act of the intellect.