Although the doctrine of necessity subverts the foundation of all morality and religion, our present concern is with the doctrine of contingency. We wish simply to state the case as between certainty and uncertainty. The doctrine of necessity, in the proper sense of the word, is antichristian; but the Christian world is, and ever has been divided between the advocates and opponents of the doctrine of contingency. All Augustinians maintain that a free act may be inevitably certain as to its occurrence.. All Anti-Augustinians, whether Pelagians, Semi-Pelagians, or Arminians, and most moral philosophers and metaphysicians, take the opposite ground. They teach that as the will has a self-determining power it may decide against all motives internal or external, against all influences divine or human, so that its decisions cannot be rendered inevitable without destroying their liberty. The very essence of liberty, they say, is power to the contrary. In other words, a free act is one performed with the consciousness that under precisely the same circumstances, that is, in the same internal as well as external state of the mind, it might have been the opposite. According to the one doctrine, the will is determined; according to the other, it determines itself. In the one case, our acts are or may be inevitably certain and yet be free. In the other, in order to be free, they must be uncertain. We have already proved that this is a fair statement of the case; that the advocates of moral necessity mean thereby certainty; and that the advocates of contingency mean thereby uncertainty. We have admitted that the use of the word necessity, even when qualified by saying negatively, that it is not “absolute, physical, or mechanical,” and that it is merely philosophical or moral, is unfortunate and inappropriate. And if any opponent of Augustine or Edwards say that all he denies is an absolute or physical necessity, and that he has no objection to the doctrine of certainty, then the difference between him and Edwards is merely verbal. But the real controversy lies deeper. It is not the word, but the thing that is opposed. There is a real difference as to the nature of free agency; and that difference concerns this very point: may the acts of free agents be rendered inevitably certain without destroying their liberty?
Points of Agreement.
It may be well before proceeding further, to state the points as to which the parties to this controversy are agreed.
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They are agreed that man is a free agent, in such a sense as to be responsible for his character and acts. The dispute is not about the fact, but the nature of free agency. If any one denied that men are responsible moral agents, then he belongs to the school of necessity, and is not a party to the discussion now under consideration.
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It is agreed as to the nature of free agency that it supposes both reason and active power. Mere spontaneity does not constitute free agency, because that is found in brutes, in idiots, and in maniacs. There is no dispute as to what is meant by reason as one of the elements of free agency; and so for as active power, which is its second element, is concerned, it is agreed that it means or includes efficiency. In other words, it is agreed that a free agent is the efficient cause of his own acts.
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It is admitted, on both sides, that in all important cases, men act under the influence of motives. Reid, indeed, endeavours to show that in many cases the will decides without any motive. When there is no ground of preference, he says this must be the case; as when a man decides which of fifty shillings he shall give away. He admits, however, that these arbitrary decisions relate only to trifles. Others of the same school acknowledge that no rational volition is ever arrived at except under the influence of motives.
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It is further agreed that the will is not determined with certainty by external motives. All Augustinians deny that the internal state of the mind which determines the will, is itself necessarily or certainly determined by anything external to the mind itself.
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It may be assumed, also, that the parties are agreed that the word will is to be taken in its proper, restricted sense. The question is not, whether men have power over their affections, their likes and dislikes. No one carries the power of the will so far as to maintain that we can, by a volition, change our feelings. The question concerns our volitions alone. It is the ground or reason of acts of self-determination that is in dispute. And, therefore, it is the will considered as the faculty of self-determination, and not as the seat of the affections, that comes into view. The question, why one man is led to love God, or Christ, or his fellow men, or truth and goodness; and another to love the world, or sin, is very different from the question, what determines him to do this or that particular act. The will is that faculty by which we determine to do something which we conceive to be in our power. The question, whether a man has power to change his own character at any moment, to give himself, in the language of Scripture, a new heart, concerns the extent of his power. That is, it is a question concerning the ability or inability of the sinner; and it is a most important question: but it should not be confounded with the question of free agency, which is the one now under consideration.