@expertomentor: At Eastern State Penitentiary in 19th century Philadelphia, even whispering could bring punishment. The silent system was meant to save souls, but it often shattered minds instead. Source: Eastern State Penitentiary records and reports, including Alexis de Tocqueville and Gustave de Beaumont, "On the Penitentiary System in the United States" (1833), and the Pennsylvania Prison Society inspections cited in Norman Johnston, "Eastern State Penitentiary" (1994). #History #DarkHistory #facts