But, the earth, the air, and the waters are not the only places at the command of nature. Above the atmosphere there extends another region, with which astronomers and physicists are acquainted, and which they call ether or planetary ether. The atmosphere which surrounds our globe, and is drawn with it in its course through space, as it is drawn with it in its rotation upon its own axis, is not very high. It does not extend beyond thirty or forty leagues, and it diminishes in substance in proportion to its elevation above the earth. At three or four leagues in height the air is so rarefied that it becomes impossible for men or animals to breathe it. In aërostatic ascents it is impossible to go beyond seven or eight kilometres, because at that height the air loses so much density, is so highly rarefied, that it no longer serves for purposes of respiration, nor counterbalances the effect of the interior pressure of the body on the exterior. After that height, the density of the air decreases more and more, until there is absolutely no air. At that point begins the fluid which astronomers and physicists call ether.
This ether is a true fluid, a gas, analogous to the air we breathe, but infinitely more rarefied and lighter than air. The existence of the planetary ether cannot be disputed, since astronomers take account of its resistance in calculating the speed of heavenly bodies, just as they take account of the resistance of the air in calculating the motions of bodies traversing our atmosphere.
Ether is, then, the fluid which succeeds to atmospheric air. It is spread, not only around the earth, but around the other planets. More than this, it exists throughout all space, it occupies the intervals between the planets. It is, in fact, in ether that the planets, which, with their satellites, compose our solar world, revolve. The comets, too, in their immense journeys through space pass through ether.
The uneducated mind is disposed to believe that above the air which surrounds the terrestrial globe, there is nothing more, that all is void. But no void exists anywhere in nature. Space is always occupied by something, whether it be by earth, by water, by atmospheric air, or, finally, by planetary ether.
It has just been said that life abounds upon the globe, swarms upon the earth, clusters in the air and in the waters. Is the ethereal fluid which succeeds to our atmosphere, and which fills space, equally inhabited by living beings? This is a question which no savant has ever yet asked himself. In our opinion, it would be very surprising that life, which we may say overflows in the waters and in the air, should be absolutely wanting in the fluid which is contiguous to the air. Everything, then, indicates that the ether is inhabited. But who are the beings who dwell in the planetary ether? We believe that they are those superhuman beings, whom we consider to be resuscitated men, endowed with every kind of moral perfection.
The chemical composition of planetary ether is not known. Astronomical phenomena have taught us its existence, but not its components. We believe it may safely be asserted that the ether does not contain oxygen. In fact, oxygen is the fundamental element of atmospheric air; and as, in proportion as they ascend into that air, the respiration of men and animals becomes more and more difficult, it is, in our opinion, presumable, that this difficulty is caused by the approach of a description of gas impossible to breathe; and which, therefore, excludes human life from the superior regions of the air. A man, rising in a balloon towards the ether, is like a fish half drawn out of the water, half exposed to the air. The fish is breathless and palpitating in a place which is fatal to him; thus it is with man, when he rises by degrees through our nether atmosphere, and draws near to the ether. It seems to us that we may, at once, conclude, from this, that there is no oxygen in planetary ether.
It seems not unlikely that the planetary ether may be composed of hydrogen gas, excessively rarefied, that is to say, of an extremely light gas, still further rarefied, and rendered infinitely more subtle by the absence of all pressure. We are induced to conclude that the ether in which the planets revolve is hydrogen, because, from observations made of late years during the solar total eclipses, it has been ascertained that the sun is surrounded by burning hydrogen gas.
In the language of every nation, the space which lies beyond our atmosphere is called by the same name, that of heaven. It is, then, in the universally recognized heaven that we place our superhuman beings. In this we are in accord with popular belief and prejudice, and we recognize this argument with satisfaction. These prejudices, these presentiments are frequently the outcome of the wisdom and the observation of an infinite number of generations of men. A tradition which has a uniform and universal existence, has all the weight of scientific testimony.
In accordance with this phrase, and the immemorial tradition, the most widely-spread modern religions, Christianity, Buddhism, and Mahometanism, assign heaven as the sojourn of the elect of God.
Thus, we find science, tradition, and religion at one on this point; and that it was a scientific truth which found utterance by the lips of the priest who said to the martyred king upon the scaffold: "Son of Saint Louis, ascend to heaven."
CHAPTER THE FOURTH
DEATH is not a termination, it is a change. We do not die; we experience a metamorphosis. The fall of the curtain of death is not the catastrophe, it is only a deeply moving scene in the drama of human destiny. The agony is not the prelude to annihilation, it is only the obligatory suffering which, throughout all nature, accompanies every change. Every one knows that the insect world, the cold and motionless chrysalis, rends itself asunder that the brilliant butterfly may come forth. If you examine the butterfly a moment after it has left its temporary tomb, you will find it trembling and panting with the pain of bursting through the trammels which had held it. It needs to rest, to calm itself, and to collect its strength before it soars away into the air which it is destined to traverse. This is a symbol of our death agony. In order that we may cast aside the material covering which we leave behind us here below, and rise to the unknown spheres which await us beyond the tomb, we must suffer. We suffer, in the body, from physical pain, and in the soul, from the anguish with which we contemplate our approaching destiny, wrapped, as it is, in the most appalling darkness.
But here a difficulty presents itself. Do all men, without distinction, pass into the condition of the superhuman being? An infinite range of qualities and of moral perversion is an attribute of humanity. To it belong good and evil, the honest man and the criminal. Let us inhabit whatsoever spot of earth we may, let the culture of our minds be what it may, whether we be savages or civilized men, learned or ignorant, whether we contemplate contemporary generations or those of far distant times, there exists one universal morality, one law of absolute equity. Everywhere, in all times, it has been a bad action to kill one's neighbour, to take another's goods, to ill-treat one's children, to be ungrateful to parents, to live on bad terms with one's wife, to conspire against the liberty of others, to lie, and to commit suicide. From one end of the earth to the other, these actions have been esteemed evil.
There exists, therefore, in the sphere of nature, and in the absolute meaning of the words, good souls and perverse souls. Must we believe that both the good and the wicked are called, without distinction, to undergo the change of nature which elevates us to the condition of superhuman beings? Are both classes admitted, upon the same footing, to the felicity of the new life, which is reserved for us beyond the tomb? Our conscience, that exquisitely accurate sentiment which dwells within us, and which never deceives, tells us that this could not be.
But how is the separation of the good grain from the tares to be effected by natural forces only? How is the process of sorting, in itself extremely difficult to explain, when one takes into account the complication of the natural question by the mingling of moral and physical influences, to be carried out? We can only state our individual sentiment, not in the dogmatic sense of imposing it on any one, but simply as a testimony to be registered.
It seems to us that the human soul, in order to rise to the ethereal spaces, needs to have acquired that last degree of perfection which sets it free from every besetting weight; that it must be subtle,