The worlds are constantly ending. The point is to widen our sense of imagination and go beyond the paralysis in thinking and acting.
Back in 1957, in what has to be considered one of his classical essays Commandments in the Atomic Age⦚bib:f56a232d-d8f1-4c0b-90f8-574a261cd5bfnot found, Günther Anders published a warning to widen our sense of imagination: " (…) you have to violently widen the narrow capacity of your imagination (and the even narrower one of your feelings) until imagination and feeling become capable to grasp and realize the enormity of your doings; until you are capable to seize and conceive, to accept or reject it - in short: your task is: to widen your moral fantasy. “1
Today, when we are faced by the accelerating climate crisis, nuclear threat and extinction, when our imagination seems to be shrinking (and we can only see the end at the horizont), what we have to do is to go into the opposite direction - imagine many possible worlds beyond the end itself.