 “If I can observe the watcher who spies upon me, I can control my surveillance, I can spy in turn, I can learn the watcher’s ways, his weaknesses, I can study his habits, I can elude him.If the eye is hidden, it looks at me even when it is not actually observing me.By concealing itself in the shadows, the eye can intensify all its powers.”  
For Bentham, “reality is worth no more than the appearance it produces.” Consequently, one could study the behavioral patterns of the inmates as a consequence of their surroundings.