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The Meaning of Life

have originated somehow. Everything has an origin and the universe is no exception. Since the universe is the totality of things, it must have originated out of nothing. If it had originated out of something, even something as small as one single hydrogen atom, what has so originated could not be the whole universe, but only the universe minus the atom. And then the atom itself would call for explanation, for it too must have had an origin, and it must be an origin out of nothing. And how can anything originate out of nothing? Surely that calls for explanation.

However, let us be quite clear what is to be explained. There are two facts here, not one. The first is that the universe exists, which is undeniable. The second is that the universe must have originated out of nothing, and that is not undeniable. It is true that, if it has originated at all, then it must have originated out of nothing, or else it is not the universe that has originated. But need it have originated? Could it not have existed for ever?14 It might be argued that nothing exists for ever, that everything has originated out of something else. That may well be true, but it is perfectly compatible with the fact that the universe is everlasting. We may well be able to trace the origin of any thing to the time when, by some transformation, it has devel- oped out of some other thing, and yet it may be the case that no thing has its origin in nothing, and the universe has existed for ever. For even if every thing has a beginning and an end, the total of mass and energy may well remain constant.

Moreover, the hypothesis that the universe originated out of nothing is, empirically speaking, completely empty. Suppose, for argument’s sake, that the annihilation of an object without remainder is conceivable. It would still not be possible for any hypothetical observer to ascertain whether space was empty or not. Let us suppose that within the range of observation of our observer one object after another is annihilated without remainder and that only one is left. Our observer could not then tell whether in remote parts of the universe, beyond his range of observation, objects are coming into being or passing out of existence. What, moreover, are we to say of the observer himself? Is he to count for nothing? Must we not postulate him away as well, if the universe is to have arisen out of nothing?

Let us, however, ignore all these difficulties and assume that the uni- verse really has originated out of nothing. Even that does not prove that the universe has not existed for ever. If the universe can conceivably develop out of nothing, then it can conceivably vanish without remainder. And it can arise out of nothing again and subside into nothingness once more, and so on ad infinitum. Of course, “again” and “once more” are not quite the right words. The concept of time hardly applies to such universes. It does not make sense to ask whether one of them is earlier or later than, or perhaps simulta- neous with, the other because we cannot ask whether they occupy the same or different spaces. Being separated from one another by “nothing,” they are not separated from one another by “anything.” We cannot therefore make

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