The things we recognize flash right by, where once they held our attention. Only the new bears careful contemplation, and the new gets harder and harder to come by.
And she knew it was time to start getting the images of dead things out of her mind. Or at least, to bury them a while.
The point of the silo was for the people to keep the machines running, when Jahns had always, her entire long life, seen it the other way around.
