The Separate Prison System also signaled a shift from physical punishment to psychological punishment. It was thought that the hard corporal punishment, such as whippings, used in other penal stations only served to harden criminals, and did nothing to turn them from their immoral ways. For example, food was used to reward well-behaved prisoners and as punishment for troublemakers. As a reward, a prison could receive larger amounts of food or even luxury items such as tea, sugar and tobacco. As punishment, the prisoners would receive the bare minimum of bread and water. Under this system of punishment the "Silent System" was implemented in the building.