I now proceed briefly to consider those sciences which, having little connection with material organization, we may more confidently maintain will have an existence on the new earth.
It will be hardly necessary to spend much time in proving that intellectual philosophy will be one of the subjects of investigation in a future world. For it would be strange if the noblest part of God’s workmanship, for which materialism was created, should cease to be an object of inquiry in that world where alone it can be investigated with much success. When we consider that the whole train of mental phenomena is constantly passing under the mind’s own observation, and that a vast amount of time and talent has been devoted to the subject ever since man began to philosophize,—that is, for more than two thousand years,—it would seem as if psychology ere this must have attained the precision and certainty of mathematics. But how different is the fact! I speak not of a want of agreement in opinion on subordinate points, for these minor diversities must be expected in any science not strictly demonstrative. Even astronomy abounds with them. But metaphysical philosophers have not yet been able to settle fundamental principles. They are not yet agreed as to the existence of many of the most familiar and important intellectual powers and principles of action. The systems of Locke and Hume, constructed with great ability, were overthrown by Reid; Stewart differed much from Reid; and Dr. Thomas Brown has powerfully attacked the fabric erected by Stewart. And lastly, the phrenologists, with no mean ability, have endeavored to show that all these philosophers are heaven-wide of the truth, because they have so much neglected the influence of the material organs on the mental powers. Now, this diversity of result, arrived at by men of such profound abilities, shows that there are peculiar difficulties in the study of mind, originating, probably, in the fact that, in this world, we never see the operation of mind apart from a gross material organization. But in another state, where no organization will exist, or one far better adapted to mental operations, we may hope for such a clarification of the mental eye that the laws of mind will assume the precision and certainty of mathematics, and the relations between mind and matter, now so obscure, be fully developed. Then, I doubt not, the principles of mental science will furnish a more splendid illustration of the divine perfections than any which can now be derived from the material world.
Will any one believe that the principles of moral science and mathematics will be altered or annihilated by the conflagration of the globe? We believe them no more dependent upon the external universe than is the divine existence. God exists by a necessity of nature, and these principles have the same unchanging and eternal origin. If so, no changes in the material world can affect them. So far as we understand them here, we shall find them true hereafter; and we shall doubtless find that our present knowledge is but the mere twilight of that bright day which will there pour its full light upon these subjects. Mathematical and moral truths, which we now suppose to be general laws, we shalt then find to be, in many cases, only the ramifications of principles far wider, which we cannot now discover, and which we could not comprehend were they open to inspection. And we shall also find that moral laws are as certain and demonstrable as those of mathematics; and that they form the adamantine chain which holds together the spiritual world, and gives it symmetry and beauty, as mathematics links together the material universe.
Among men who understand biblical interpretation, and also the principles of science, the belief in the annihilation of the material universe at the close of man’s probationary state is fast disappearing, and the more scriptural, philosophical, and animating doctrine is embraced, that there will be only a change of form and condition of our earth and its atmosphere, and that the matter of the universe will survive, and successively assume new and more beautiful forms, it may be eternally. If so, all those physical sciences, which do not depend upon organic structure, will form subjects of investigation in the heavenly world. There will be the heavenly bodies, governed by the same laws as at present, and offering a noble field for examination. Nor will the heavenly inhabitants need, as on earth, visual organs and optical instruments, which, at best, afford us only glimpses of the material universe. For there, if we rightly conjecture, will they possess the power of learning, with almost intuitive certainty and intuitive rapidity, the character and movements of the most distant worlds. Nay, it may be that they can pass from world to world with the velocity of light, and thus become better acquainted with their more intimate condition. Thus will the astronomy of the celestial world surpass, beyond conception, that science which even now is regarded as unequalled for its sublimity.
We cannot be sure through what material medium the mind will act in a future world. But the manner in which we know heat, light, and electricity to be transmitted, makes it not impossible that the same or a similar medium may be the vehicle through which thought shall be hereafter transmitted. If so, we can easily understand how the mind will be able to penetrate into the most recondite nature of bodies, and learn the mode in which they act upon one another; for the curious medium which conveys light and heat does penetrate all bodies, whether they be solid or gaseous, cold or hot. Hence we may learn at a glance, in a future world, more of the internal constitution of bodies, and of their mutual action, than a whole life on earth, spent in the study of chemistry, will unfold. Then, too, shall we doubtless find chemical laws operating on a scale of grandeur and extent, limited only by the material universe.
Universally diffused as light, heat, and electricity are, and diligently as their phenomena have been studied, yet what mystery hangs over their nature and operations! They seem to be too subtile, and to approximate too nearly to immaterial substances, to be apprehended by our beclouded intellects. When, therefore, our means of perception shall be vastly improved, as we have reason to believe they will be in eternity, these will become noble themes for examination. For who can doubt that agents so ethereal in their nature, and apparently indestructible, and even unchanged by any means with which we are acquainted, will survive the final catastrophe of our world? Probably, indeed, we are allowed to catch only glimpses of their nature and operations on earth, so that we may safely anticipate an immense expansion of the electricity and optics which will form a part of the science of heaven.
We have endeavored to show, in a former lecture, that the future residence of the righteous will be material; that it will, in fact, be the present earth, purified by the fires of the last day, and rising from the final ruin in renovated splendor. We have shown that this is the doctrine of Scripture, of philosophy, and of a majority of the Christian church. A solid world, then, will exist, whose geology can be studied by glorified minds far more accurately and successfully than the globe which we inhabit; for those minds will doubtless be able to penetrate the entire mass of the globe, and learn its whole structure. The final conflagration may, indeed, for the most part, obliterate the traces of present and past organic beings. But according to the doctrine of action and reaction in mechanics, in chemistry, in electricity, and in organization, every change that has ever passed over the earth has left traces of its occurrence which can never be blotted out; and it is not improbable that glorified minds will possess the power of discovering and reading these records of the past, if not on the principle just specified, yet in some other way; so that the entire geological history of our planet will probably pass in clear light before them. Points which we see only through a glass darkly will then stand forth in full daylight; and from the glimpses we are able to obtain in this world of its present geological changes, what a mighty and interesting series will be seen by celestial minds! If, even by the colored rays which come upon us through the twilight of this world, we are able to see so many striking illustrations of the divine character engraven on the solid rocks, what a noble volume of religious truth shall be found written there, when the light of heaven shall penetrate the earth’s deep foundations! Those foundations, figuratively described in revelation as so many precious stones, bearing up a city of pure gold, clear as glass, will then reflect a richer light than the costliest literal gems which the rocks now yield. The geology of heaven will be resplendent with divine glory.
We see, then, with a few probable exceptions, resulting from a difference between the organism of heaven and earth, that science will survive the ruin of this world, and in a nobler form engage the minds, and interest the hearts, of heaven’s inhabitants. It will, indeed, form a vast storehouse, whence pious minds can draw fuel to kindle into a purer and brighter flame their love and their devotion; for thence will they derive new and higher developments of the divine character. Shall we not, then, admit that to be religious truth on earth which in heaven will form the food of perfectly holy minds?
The position which I laid down, at the outset, that scientific truth, rightly applied, is religious truth, seems to me most clearly established. If admitted, there flow from it several inferences of no small interest, which I am constrained to present to your consideration.
In the first place, I infer from this discussion that the principles of science are a transcript of the Divine Character.