"By Blinds, and other contrivances, the Inspectors concealed from the observation of the Prisoners: hence the sentiment of a sort of invisible omnipresence." —

"By Blinds, and other contrivances, the Inspectors concealed from the observation of the Prisoners: hence the sentiment of a sort of invisible omnipresence." — Jeremy Bentham (1791). Panopticon, or The Inspection House