 One sort of answer to this first line of critique explains penal hard treatment as an essential aspect of the enterprise of moral communication itself. Punishment, on this view, should aim not merely to communicate censure to the offender, but to persuade the offender to recognise and repent the wrong he has done, and so to recognise the need to reform himself and his future conduct, and to make apologetic reparation to those whom he wronged. His punishment then constitutes a kind of secular penance that he is required to undergo for his crime: its hard treatment aspects, the burden it imposes on him, should serve both to assist the process of repentance and reform, by focusing his attention on his crime and its implications, and as a way of making the apologetic reparation that he owes (see Duff 2001, 2011b; see also Garvey 1999, 2003; Tudor 2001; Brownless 2007; Hus 2015; for a sophisticated discussion see Tasioulas 2006). This type of account faces serious objections (see Bickenbach 1988; Ten 1990; von Hirsch 1999; Bagaric and Amarasekara 2000; Ciocchetti 2004; von Hirsch and Ashworth 2005: ch. 7; Bennett 2006, 2015): in particular that it cannot show penal hard treatment to be a necessary aspect of a communicative enterprise which is still to respect offenders as responsible and rational agents who must be left free to remain unpersuaded; that apologetic reparation must be voluntary if it is to be of any real value; and that a liberal state should not take this kind of intrusive interest in its citizens’ moral characters.