The only way to justify a practice that deliberately inflicts significant hardship is by showing that it brings consequential benefits sufficiently large to outweigh those burdens.

Many people, including those who do not take a consequentialist view of other matters, think that any adequate justification of punishment must be basically consequentialist. For we have here a practice that inflicts, indeed seeks to inflict, significant hardship or burdens: how else could we hope to justify it than by showing that it brings consequential benefits sufficiently large to outweigh, and thus to justify, those burdens? We need not be Benthamite utilitarians to be moved by Bentham’s famous remark that “all punishment in itself is evil. ... [I]f it ought at all to be admitted, it oug...