Pain, according to Dickinson, has a strange blankness at its core. The speaker describes suffering so absolute it erases any memory of a beginning. You can’t recall when it started or imagine a time without it. There’s no future either—just pain stretching out, containing its own past. That past only enlightens you to recognize more pain coming. The feeling is one of terrible self-enclosure, a hollow, hypnotic isolation. It’s not a cry of agony but a quiet, philosophical dread. The poem creates an almost clinical chill, as if the speaker observes her own torment from a distance, noting how pain consumes memory and hope, leaving only the blank fact of itself.
Pain -- has an Element of Blank -- — Summary
Pain -- has an Element of Blank -- It cannot recollect When it begun -- or if there were A time when it was not --
It has no Future -- but itself -- Its Infinite contain Its Past -- enlightened to perceive New Periods -- of Pain.