“She did not entirely believe that a thing written down stays written down.

I have never been able to decide whether that was unreasonable of her.”

Twice a year for eight years, an old woman got on a bus and came into a bank to be told that a line on a form had not been altered.

Sixteen times.

And every single one of them was a woman checking whether somebody had got to it.

Part Nineteen: A Note on a Screen