...space and time, as names for two distinct concepts, are not only convenient, but necessary. Nor can any description of phenomena in terms of a time which is a function of the velocity of the body on which the time is measured ever be satisfactory, simply because the human mind can not now nor can it ever...

...or Minkowski's papers. In any case he next expresses the traumatic effect of the relativity of time: The description of phenomena in terms of a time which...unsatisfactory to me, because, try I ever so hard, I can not make myself realize that such a time is conceivable 1 feel that the principle of relativity...