FOOTNOTES:

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      [1] Aurora Leigh.

      [2] "Meditationes Sacræ," x.

ANALYSIS OF INTRODUCTION.

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      [For the sake of the general reader who may desire to pass at once to the practical applications, the following outline of the Introduction—devoted rather to general principles—is here presented.]

      PART I.

      Natural Law in the Spiritual Sphere.

      1. The growth of the Idea of Law.

      2. Its gradual extension throughout every department of Knowledge.

      3. Except one. Religion hitherto the Great Exception. Why so?

      4. Previous attempts to trace analogies between the Natural and Spiritual spheres. These have been limited to analogies between Phenomena; and are useful mainly as illustrations. Analogies of Law would also have a Scientific value.

      5. Wherein that value would consist. (1) The Scientific demand of the age would be met; (2) Greater clearness would be introduced into Religion practically; (3) Theology, instead of resting on Authority, would rest equally on Nature.

      PART II.

      The Law of Continuity.

      A priori argument for Natural Law in the spiritual world.

      1. The Law Discovered.

      2. " Defined.

      3. " Applied.

      4. The objection answered that the material of the Natural and Spiritual worlds being different they must be under different Laws.

      5. The existence of Laws in the Spiritual world other than the Natural Laws (1) improbable, (2) unnecessary, (3) unknown. Qualification.

      6. The Spiritual not the projection upward of the Natural; but the Natural the projection downward of the Spiritual.

INTRODUCTION.

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      "This method turns aside from hypotheses not to be tested by any known logical canon familiar to science, whether the hypothesis claims support from intuition, aspiration or general plausibility. And, again, this method turns aside from ideal standards which avow themselves to be lawless, which profess to transcend the field of law. We say, life and conduct shall stand for us wholly on a basis of law, and must rest entirely in that region of science (not physical, but moral and social science), where we are free to use our intelligence in the methods known to us as intelligible logic, methods which the intellect can analyze. When you confront us with hypotheses, however sublime and however affecting, if they cannot be stated in terms of the rest of our knowledge, if they are disparate to that world of sequence and sensation which to us is the ultimate base of all our real knowledge, then we shake our heads and turn aside."—Frederick Harrison.

      "Ethical science is already forever completed, so far as her general outline and main principles are concerned, and has been, as it were, waiting for physical science to come up with her."—Paradoxical Philosophy.

PART I.

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      Natural Law is a new word. It is the last and the most magnificent discovery of science. No more telling proof is open to the modern world of the greatness of the idea than the greatness of the attempts which have always been made to justify it. In the earlier centuries, before the birth of science, Phenomena were studied alone. The world then was a chaos, a collection of single, isolated, and independent facts. Deeper thinkers saw, indeed, that relations must subsist between these facts, but the Reign of Law was never more to the ancients than a far-off vision. Their philosophies, conspicuously those of the Stoics and Pythagoreans, heroically sought to marshal the discrete materials of the universe into thinkable form, but from these artificial and fantastic systems nothing remains to us now but an ancient testimony to the grandeur of that harmony which they failed to reach.

      With Copernicus, Galileo, and Kepler the first regular lines of the universe began to be discerned. When Nature yielded to Newton her great secret, Gravitation was felt to be not greater as a fact in itself than as a revelation that Law was fact. And thenceforth the search for individual Phenomena gave way before the larger study of their relations. The pursuit of Law became the passion of science.

      What that discovery of Law has done for Nature, it is impossible to estimate. As a mere spectacle the universe to-day discloses a beauty so transcendent that he who disciplines himself by scientific work finds it an overwhelming reward simply to behold it. In these Laws one stands face to face with truth, solid and unchangeable. Each single Law is an instrument of scientific research, simple in its adjustments, universal in its application, infallible in its results. And despite the limitations of its sphere on every side Law is still the largest, richest, and surest source of human knowledge.

It is not necessary for the present to more than lightly touch on definitions of Natural Law. The Duke of Argyll[3] indicates five senses in which the word is used, but we may content ourselves here by taking it in its most simple and obvious significance. The fundamental conception of Law is an ascertained working sequence or constant order among the Phenomena of Nature. This impression of Law as order it is important to receive in its simplicity, for the idea is often corrupted by having attached to it erroneous views of cause and effect. In its true sense Natural Law predicates nothing of causes. The Laws of Nature are simply statements of the orderly condition of things in Nature, what is found in Nature by a sufficient number of competent observers. What these Laws are in themselves is not agreed. That they have any absolute existence even is far from certain. They are relative to man in his many limitations, and represent for him the constant expression of what he may always expect to find in the world around him. But that they have any causal connection with the things around him is not to be conceived. The Natural Laws originate nothing, sustain nothing; they are merely responsible for uniformity in sustaining what has been originated and what is being sustained. They are modes of operation, therefore, not operators; processes, not powers. The Law of Gravitation, for instance, speaks to science only of process. It has no light to offer as to itself. Newton did not discover Gravity—that is not discovered yet. He discovered its Law, which is Gravitation, but tells us nothing of its origin, of its nature or of its cause.

      The Natural Laws then are great lines running not only through the world, but, as we now know, through the universe, reducing it like parallels of latitude to intelligent order. In themselves, be it once more repeated, they may have no more absolute existence than parallels of latitude. But they exist for us. They are drawn for us to understand the part by some Hand that drew the whole; so drawn, perhaps,