from this point of view, a world like our solar system is seen to be ever exhausting something
of the mutability it contains. in the beginning, it had the maximum of possible utilization
of energy: this mutability has gone on diminishing unceasingly. whence does it come?
we might at first suppose that it has come from some other point of space, but the difficulty
is only set back, and for the external source of mutability the same question springs up.
true, it might be added that the number of worlds capable of passing mutability to each other is unlimited, that the sum of mutability contained in the universe is infinite, that there
is therefore no ground on which to seek its origin or to foresee its end.

h. bergson