midnights
What might not have happened in four days ? In one day , Columbus found a world . In another , electricity was discovered . In one day , one hour , even , some immeasurable force moving according to unseen law might sway the sun and set all the stars to reeling madly through the unutterable midnights of the universe . And in four days ? Ah , what had happened in those four days ? -LSB- Sidenote : A Recurring Question -RSB- The question had haunted him since the night he read the letter , when he was reading to Barbara and had unwittingly come upon it .