Vade in pace (“go in peace”) punitive isolation of monks occurred in twelfth-century European monasteries.
Abraham, a founding figure for Hebrews, Christians, and Muslims, was called a friend of God. See Isaiah 41:8, John 15:15, and Qur’an 4:125.
Perhaps from Mabillon’s penal essay, penal historians have projected silence and isolation in new 19th-century prisons back to monastic precedents.
Penal reformers were elite, enlightenment figures who regarded Catholic practices as benighted and barbaric.