" The little boy had a delightful curious face. “Do you live in London?” he asked Obinze. “Yes,” Obinze said, but that yes did not tell his story, that he lived in London indeed but invisibly, his existence like an erased pencil sketch; each time he saw a policeman, or anyone in a uniform, anyone with the faintest scent of authority, he would fight the urge "

― Chimamanda Ngozi Adichie , Americanah