The End of the World: from the Standpoint of Mathematical Physics.

@article{Eddington1931TheEO,
  title={The End of the World: from the Standpoint of Mathematical Physics.},
  author={A. Eddington},
  journal={Nature},
  year={1931},
  volume={127},
  pages={447-453}
}
THE world—or space-time—is a four-dimensional continuum, and consequently offers a choice of a great many directions in which we might start off to look for an end; and it is by no means easy to describe “from the standpoint of mathematical physics” the direction in which I intend to go. I have therefore to examine at some length the preliminary question, Which end?