Jeremy Bentham (1844). “Benthamiana: Or Select Extracts from the Works of Jeremy Bentham. With an Outline of His Opinions on the Principal Subjects Discussed in His Works”, p.217
Jeremy Bentham (1834). “Deontology: or, The science of morality: in which the harmony and co-incidence of duty and self-interest, virtue and felicity, prudence and benevolence, are explained and exemplified”, p.131