Felicific calculus private be thy end:<br> If it be public, wide let them extend<br> Such pains avoid, whichever be thy view:<br> If pains must come, let them extend to few. The units of measurements used in the felicific calculus may be termed "hedons" and "dolors". They may be regarded as similar to the utilitarian posends and negends. Felicific calculus The felicific calculus is an algorithm formulated by utilitarian philosopher Jeremy Bentham (1748–1832) for calculating the degree or amount of pleasure that a specific action is likely to cause. Bentham, an ethical hedonist, believed the moral rightness or wrongness of an action to
Jeremy Bentham acknowledge Bentham's influence on its foundation, while avoiding any suggestion of direct involvement, by describing him as its "spiritual founder". Bentham was an obsessive writer and reviser, but was constitutionally incapable, except on rare occasions, of bringing his work to completion and publication. Most of what appeared in print in his lifetime (see list of published works online) was prepared for publication by others. Several of his works first appeared in French translation, prepared for the press by Étienne Dumont, for example, Theory of Legislation, Volume 2 (Principles of the Penal Code) 1840, Weeks, Jordan, & Company. Boston. Some made