An Essay on the Principle of Population

The principal objects which human punishments have in view are undoubtedly restraint and example; restraint, or removal, of an individual member whose vicious habits are likely to be prejudicial to the society'; and example, which by expressing the sense of the community with regard to a particular crime, and by associating more nearly and visibly crime and punishment, holds out a moral motive to dissuade others from the commission of it.