Superphysics Superphysics
Part A

The World Had a Beginning and is Mortal

by Titus Lucretius Carus
11 minutes  • 2198 words
Table of contents

The world is mortal because:

A. Its component parts are mortal

The body of earth and moisture, and the light breath of the winds and burning heat, of which this sum of things is seen to be made up, are all created of a body that has birth and death, of such, too, must we think that the whole nature of the world is fashioned. For verily things whose parts and limbs we see to be of a body that has birth and of mortal shapes, themselves too we perceive always to have death and birth likewise. Wherefore, when we see the mighty members and parts of the world consumed away and brought to birth again, we may know that sky too likewise and earth had some time of first-beginning, and will suffer destruction.

To prove this of the separate elements: 1. Earth is mortal. It flies away in clouds of dust,Herein, lest you should think that I have snatched at this proof for myself, because I have assumed that earth and fire are mortal things, nor have hesitated to say that moisture and breezes perish, and have maintained that they too are born again and increase, first of all, some part of earth, when baked by ceaseless suns, trodden by the force of many feet, gives off a mist and flying clouds of dust, which stormy winds scatter through all the air.or is destroyed by moisture. Earth is the universal mother and the universal tomb. Part too of its sods is summoned back to swamp by the rains, and streams graze and gnaw their banks. Moreover, whatever the earth nourishes and increases, is, in its own proportion, restored; and since without doubt the parent of all is seen herself to be the universal tomb of things, therefore you may see that the earth is eaten away, and again increases and grows.

  1. Water is mortal:For the rest, that sea, streams, and springs are ever filling with new moisture, and that waters are ceaselessly oozing forth, there is no need of words to prove: the great downrush of waters on every side shows this forth.it is drawn up from the sea by wind and sun, But the water which is foremost is ever taken away, and so it comes to pass that there is never overmuch moisture in the sum, partly because the strong winds as they sweep the seas, diminish them, and so does the sun in heaven, as he unravels their fabric with his rays, partly because it is sent hither and thither under every land.and passes beneath the earth to reappear in springs. For the brine is strained through, and the substance of the moisture oozes back, and all streams together at the fountain-head of rivers, and thence comes back over the lands with freshened current, where the channel once cleft has brought down the waters in their liquid march.

  2. Air is mortal: it is constantly being created by the efflux from things, and renewing them by its restoration.Next then I will speak of air, which changes in its whole body in countless ways each single hour. For always, whatever flows off from things, is all carried into the great sea of air; and unless in turn it were to give back bodies to things, and replenish them as they flow away, all things would by now have been dissolved and turned into air. Air then ceases not to be created from things, and to pass back into things, since it is sure that all things are constantly flowing away.

  3. Fire is mortal the sun is always sending out new supplies, and his rays perish as they fall. Witness the beams cut off by clouds.Likewise that bounteous source n of liquid light, the sun in heaven, ceaselessly floods the sky with fresh brightness, and at once supplies the place of light with new light. For that which is foremost of its brightness, ever perishes, on whatever spot it falls. That you may learn from this: that as soon as clouds have begun for an instant to pass beneath the sun, and, as it were, to break off the rays of light, straightway all the part of the rays beneath perishes, and the earth is overshadowed, wherever the clouds are carried; so that you may learn that things ever have need of fresh brilliance, and that the foremost shaft of light ever perishes, nor in any other way can things be seen in the sunlight, except that the very fountain-head of light gives supply for ever. Nay more,So even lights on earth have to keep up a constant supply of flame. lights at night, which are on the earth, hanging lamps and oily torches, bright with their flashing fires and thick smoke, in like manner hasten by aid of their heat to supply new light; they are quick to flicker with their fires, yea quick, nor is the light, as it were, broken off, nor does it quit the spot. In such eager haste is its destruction hidden by the quick birth of flame from all the fires. So then we must think that sun, moon, and stars throw out their light from new supplies, rising again and again, and lose ever what is foremost of their flames; lest you should by chance believe that they are strong with a strength inviolable.

We constantly see examples of the mortality of the strongest things.Again, do you not behold stones too vanquished by time, high towers falling in ruins, and rocks crumbling away, shrines and images of the gods growing weary and worn, while the sacred presence cannot prolong the boundaries of fate nor struggle against the laws of nature? Again, do we not see the monuments of men fallen to bits, and inquiring moreover whether you believe that they grow old? 1 And stones torn up from high mountains rushing headlong, unable to brook or bear the stern strength of a limited time? For indeed they would not be suddenly torn up and fall headlong, if from time everlasting they had held out against all the siege of age without breaking.

If the sky is the universal parent, it is mortal: for it is constantly diminished and increased.Now once again gaze on this sky, which above and all around holds the whole earth in its embrace: if it begets all things out of itself, as some tell, n and receives them again when they perish, it is made altogether of a body that has birth and death. For whatsoever increases and nourishes other things out of itself, must needs be lessened, and replenished when it receives things back.

(b) There are many proofs that the world is still in its youth.Moreover, if there was no birth and beginning of the earth and sky, and they were always from everlasting, why beyond the Theban war and the doom of Troy have not other poets sung of other happenings as well? whither have so many deeds of men so often passed away? why are they nowhere enshrined in glory in the everlasting memorials of fame? But indeed, I trow, our whole world is in its youth, and quite new is the nature of the firmament, nor long ago did it receive its first-beginnings. Wherefore even now certain arts are being perfected, even now are growing; much now has been added to ships, but a while ago musicians gave birth to tuneful harmonies. Again, this nature of things, this philosophy, is but lately discovered, and I myself was found the very first of all who could turn it into the speech of my country.If you think former civilizations have passed away in some world-calamity, that would prove that the world is mortal. But if by chance you think that all these same things were aforetime, but that the generations of men perished in burning heat, or that cities have fallen in some great upheaval of the world, or that from ceaseless rains ravening rivers have issued over the lands and swallowed up cities, all the more must you be vanquished and confess that there will come to pass a perishing of earth and sky as well. For when things were assailed by such great maladies and dangers, then if a more fatal cause had pressed upon them, far and wide would they have spread their destruction and mighty ruin. Nor in any other way do we see one another to be mortal; except that we fall sick of the same diseases as those whom nature has sundered from life.

(c) The world does not fulfil any of the conditions of immortality.Moreover, if ever things abide n for everlasting, it must needs be either that, because they are of solid body, they beat back assaults, nor suffer anything to come within them, which might unloose the close-locked parts within, such as are the bodies of matter, whose nature we have declared before; or that they are able to continue through all time, because they are exempt from blows, as is the void, which abides untouched nor suffers a whit from assault; or else because there is no supply of room all around, into which things might part asunder and be broken up—even as the sum of sums is eternal—nor is there any room without into which they may leap apart, nor are there bodies which might fall upon them and break them up with stout blow. But neither, as I have shown, is the nature of the world endowed with solid body, since there is void mingled in things; nor yet is it as the void, nor indeed are bodies lacking, which might by chance gather together out of infinite space and overwhelm this sum of things with headstrong hurricane, or bear down on it some other form of dangerous destruction; nor again is there nature of room or space in the deep wanting, into which the walls of the world might be scattered forth; or else they may be pounded and perish by any other force you will.It must then be subject to death, and have had a birth. The gate of death then is not shut on sky or sun or earth or the deep waters of the sea, but it stands open facing them with huge vast gaping maw. Wherefore, again, you must needs confess that these same things have a birth; for indeed, things that are of mortal body could not from limitless time up till now have been able to set at defiance the stern strength of immeasurable age.

(d) The great contest of the elements may one day be brought to an end by the victory of one or the other.Again, since the mighty members of the world so furiously fight one against the other, stirred up in most unhallowed warfare, do you not see that some end may be set to their long contest? Either when the sun and every kind of heat have drunk up all the moisture and won the day: which they are struggling to do, but as yet they have not accomplished their effort: so great a supply do the rivers bring and threaten to go beyond their bounds, and deluge all things from out the deep abyss of ocean; all in vain, since the winds as they sweep the seas, diminish them, and so does the sun in heaven, as he unravels their fabric with his rays, and they boast that they can dry up all things, ere moisture can reach the end of its task.Story tells that both fire and water have for a time held the upper hand. So vast a war do they breathe out in equal contest, as they struggle and strive one with another for mighty issues; yet once in this fight fire gained the upper hand, and once, as the story goes, moisture reigned supreme on the plains. For fire won its way and burnt up many things, all-devouring, when the resistless might of the horses of the sun went astray and carried Phaethon amain through the whole heavens and over all lands. But, thereupon,The myth of Phaethon the almighty father, thrilled with keen anger, with sudden stroke of his thunder dashed high-souled Phaethon from his chariot to earth, and the sun, meeting him as he fell, caught the everlasting lamp of the world, and tamed the scattered steeds, and yoked them trembling, and so guiding them along their own path, replenished all things; so forsooth sang the old poets of the Greeks: but it is exceeding far removed from true reasoning.represents the excess of fire-atoms. For fire can only prevail when more bodies of its substance have risen up out of infinite space; and then its strength fails, vanquished in some way, or else things perish, burnt up by its fiery breath. Moisture likewise, n once gathered together and began to prevail,The story of the Deluge. as the story goes, when it overwhelmed living men with its waves. Thereafter, when its force was by some means turned aside and went its way, even all that had gathered together from infinite space, the rains ceased, and the strength of the rivers was brought low.

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