'One is a Lonely Number' : on the logic of communication:

“If I were clean, the one dirty child I see would have seen only
clean children around her, and so she would have known that
she was dirty at once. But she did not. So I must be dirty, too!”

—Johan van Benthem
Logic Colloquium 2002/This is NOT the page of Logic Colloquium 2002

This is

link Language Log again