Time Is What Keeps Everything From Happening At Once

Albert Einstein? Ray Cummings? Mark Twain? Arthur C. Clarke? John Archibald Wheeler? Arthur Power Dudden? Susan Sontag? Dear Quote Investigator: Albert Einstein has received credit for a humorous remark about time: The only reason for time is so that everything doesn’t happen at once. Would you please explore the provenance of this quip? Quote Investigator: …