System of separate confinement
Imprisoned people would not be treated vengefully but should be convinced, through hard and selective forms of suffering, that they could change their lives. 2. Solitary confinement would prevent further corruption inside prison.3. In isolation, people would reflect on their transgressions and repent. 4. Solitary confinement would be punishment, because humans are by nature social animals.
Solitary confinement would be economical, because imprisoned people would not need a long time to repent, and so fewer keepers would be needed and the cost of clothing would be lower