''Summum bonum'' is a Latin expression meaning the highest or ultimate good, which was introduced by the

Roman philosopher Ancient Roman philosophy was heavily influenced by the ancient Greeks and the schools of Hellenistic philosophy; however, unique developments in philosophical schools of thought occurred during the Roman period as well. Interest in philosophy was ...

Cicero Marcus Tullius Cicero ( ; ; 3 January 106 BC – 7 December 43 BC) was a Roman statesman, lawyer, scholar, philosopher, and academic skeptic, who tried to uphold optimate principles during the political crises that led to the esta ...

to denote the fundamental principle on which some system of ethics is based — that is, the aim of actions, which, if consistently pursued, will lead to the best possible life. Since Cicero, the expression has acquired a secondary meaning as the essence or ultimate metaphysical principle of Goodness itself, or what Plato called the

Form of the Good "Form of the Good", or more literally "the idea of the good" () is a concept in the philosophy of Plato. The definition of the Good is a perfect, eternal, and changeless Form, existing outside space and time. It is a Platonic ideal. Uses in '' ...

. These two meanings do not necessarily coincide. For example,

Epicurean Epicureanism is a system of philosophy founded around 307 BC based upon the teachings of the ancient Greek philosopher Epicurus. Epicureanism was originally a challenge to Platonism. Later its main opponent became Stoicism. Few writings by Ep ...

and

Cyrenaic The Cyrenaics or Kyrenaics ( grc, Κυρηναϊκοί, Kyrēnaïkoí), were a sensual hedonist Greek school of philosophy founded in the 4th century BCE, supposedly by Aristippus of Cyrene, although many of the principles of the school are bel ...

philosophers claimed that the 'good life' consistently aimed for pleasure, without suggesting that pleasure constituted the meaning or essence of Goodness outside the ethical sphere. In ''De finibus'', Cicero explains and compares the ethical systems of several schools of Greek philosophy, including

Stoicism Stoicism is a school of Hellenistic philosophy founded by Zeno of Citium in Athens in the early 3rd century BCE. It is a philosophy of personal virtue ethics informed by its system of logic and its views on the natural world, asserting tha ...

Epicureanism Epicureanism is a system of philosophy founded around 307 BC based upon the teachings of the ancient Greek philosopher Epicurus. Epicureanism was originally a challenge to Platonism. Later its main opponent became Stoicism. Few writings by ...

Aristotelianism Aristotelianism ( ) is a philosophical tradition inspired by the work of Aristotle, usually characterized by deductive logic and an analytic inductive method in the study of natural philosophy and metaphysics. It covers the treatment of the so ...

and

Platonism Platonism is the philosophy of Plato and philosophical systems closely derived from it, though contemporary platonists do not necessarily accept all of the doctrines of Plato. Platonism had a profound effect on Western thought. Platonism at l ...

, based on how each defines the ethical ''summum bonum'' differently. The term was used in

medieval philosophy Medieval philosophy is the philosophy that existed through the Middle Ages, the period roughly extending from the fall of the Western Roman Empire in the 5th century until after the Renaissance in the 13th and 14th centuries. Medieval philosophy, ...

. In the Thomist synthesis of

and

Christianity Christianity is an Abrahamic monotheistic religion based on the life and teachings of Jesus of Nazareth. It is the world's largest and most widespread religion with roughly 2.38 billion followers representing one-third of the global popula ...

, the highest good is usually defined as the life of the righteous and/or the life led in communion with

God In monotheistic thought, God is usually viewed as the supreme being, creator, and principal object of faith. Swinburne, R.G. "God" in Honderich, Ted. (ed)''The Oxford Companion to Philosophy'', Oxford University Press, 1995. God is typically ...

and according to God's precepts. In

Kantianism Kantianism is the philosophy of Immanuel Kant, a German philosopher born in Königsberg, Prussia (now Kaliningrad, Russia). The term ''Kantianism'' or ''Kantian'' is sometimes also used to describe contemporary positions in philosophy of min ...

, it was used to describe the

ultimate importance In moral philosophy, instrumental and intrinsic value are the distinction between what is a ''means to an end'' and what is as an ''end in itself''. Things are deemed to have instrumental value if they help one achieve a particular end; intrinsic ...

, the singular and overriding end which human beings ought to pursue.

Plato and Aristotle

Plato Plato ( ; grc-gre, Πλάτων ; 428/427 or 424/423 – 348/347 BC) was a Greek philosopher born in Athens during the Classical period in Ancient Greece. He founded the Platonist school of thought and the Academy, the first institution ...

's '' The Republic'' argued that, "In the world of knowledge the idea of good appears last of all, and is seen...to be the universal author of all things beautiful and right". Silent contemplation was the route to appreciation of the Idea of the Good.

Aristotle Aristotle (; grc-gre, Ἀριστοτέλης ''Aristotélēs'', ; 384–322 BC) was a Greek philosopher and polymath during the Classical period in Ancient Greece. Taught by Plato, he was the founder of the Peripatetic school of ...

in his ''

Nicomachean Ethics The ''Nicomachean Ethics'' (; ; grc, Ἠθικὰ Νικομάχεια, ) is Aristotle's best-known work on ethics, the science of the good for human life, which is the goal or end at which all our actions aim. (I§2) The aim of the inquiry is ...

'' accepted that the target of human activity, "Must be the 'Good', that is, the supreme good.", but challenged Plato's Idea of the Good with the

pragmatic Pragmatism is a philosophical movement. Pragmatism or pragmatic may also refer to: *Pragmaticism, Charles Sanders Peirce's post-1905 branch of philosophy * Pragmatics, a subfield of linguistics and semiotics *'' Pragmatics'', an academic journal i ...

question: "Will one who has had a vision of the Idea itself become thereby a better doctor or general?". However, arguably at least, Aristotle's concept of the

unmoved mover The unmoved mover ( grc, ὃ οὐ κινούμενον κινεῖ, ho ou kinoúmenon kineî, that which moves without being moved) or prime mover ( la, primum movens) is a concept advanced by Aristotle as a primary cause (or first uncaused cau ...

owed much to Plato's Idea of the Good.

Hellenic syncretism

Philo Philo of Alexandria (; grc, Φίλων, Phílōn; he, יְדִידְיָה, Yəḏīḏyāh (Jedediah); ), also called Philo Judaeus, was a Hellenistic Jewish philosopher who lived in Alexandria, in the Roman province of Egypt. Philo's de ...

of Alexandria conflated the

Old Testament The Old Testament (often abbreviated OT) is the first division of the Christian biblical canon, which is based primarily upon the 24 books of the Hebrew Bible or Tanakh, a collection of ancient religious Hebrew writings by the Israelites. The ...

God with the unmoved mover and the Idea of the Good.

Plotinus Plotinus (; grc-gre, Πλωτῖνος, ''Plōtînos''; – 270 CE) was a philosopher in the Hellenistic tradition, born and raised in Roman Egypt. Plotinus is regarded by modern scholarship as the founder of Neoplatonism. His teacher wa ...

, the

neoplatonic Neoplatonism is a strand of Platonic philosophy that emerged in the 3rd century AD against the background of Hellenistic philosophy and religion. The term does not encapsulate a set of ideas as much as a chain of thinkers. But there are some id ...

philosopher, built on Plato's Good for his concept of the supreme One, while

Plutarch Plutarch (; grc-gre, Πλούταρχος, ''Ploútarchos''; ; – after AD 119) was a Greek Middle Platonist philosopher, historian, biographer, essayist, and priest at the Temple of Apollo in Delphi. He is known primarily for hi ...

drew on

Zoroastrianism Zoroastrianism is an Iranian religion and one of the world's oldest organized faiths, based on the teachings of the Iranian-speaking prophet Zoroaster. It has a dualistic cosmology of good and evil within the framework of a monotheisti ...

to develop his eternal principle of good.

Augustine of Hippo Augustine of Hippo ( , ; la, Aurelius Augustinus Hipponensis; 13 November 354 – 28 August 430), also known as Saint Augustine, was a theologian and philosopher of Berber origin and the bishop of Hippo Regius in Numidia, Roman North Afr ...

in his early writings offered the ''summum bonum'' as the highest human goal, but was later to identify it as a feature of the Christian God in ''De natura boni'' (''On the Nature of Good'', c. 399). Augustine denies the positive existence of absolute

evil Evil, in a general sense, is defined as the opposite or absence of good. It can be an extremely broad concept, although in everyday usage it is often more narrowly used to talk about profound wickedness and against common good. It is general ...

, describing a world with

as the supreme good at the center, and defining different grades of evil as different stages of remoteness from that center.

Later developments

The ''summum bonum'' has continued to be a focus of attention in Western philosophy, secular and religious.

Hegel Georg Wilhelm Friedrich Hegel (; ; 27 August 1770 – 14 November 1831) was a German philosopher. He is one of the most important figures in German idealism and one of the founding figures of modern Western philosophy. His influence extends a ...

replaced Plato's dialectical ascent to the Good by his own dialectical ascent to the Real. G. E. Moore placed the highest good in personal relations and the contemplation of beauty – even if not all his followers in the

Bloomsbury Group The Bloomsbury Group—or Bloomsbury Set—was a group of associated English writers, intellectuals, philosophers and artists in the first half of the 20th century, including Virginia Woolf, John Maynard Keynes, E. M. Forster and Lytton St ...

may have appreciated what

Clive Bell Arthur Clive Heward Bell (16 September 1881 – 17 September 1964) was an English art critic, associated with formalism and the Bloomsbury Group. He developed the art theory known as significant form. Biography Origins Bell was born in East S ...

called his "all-important distinction between 'Good on the whole' and 'Good as a whole'". Immanuel Kant (painted portrait)

The doctrine of the highest good maintained by

Immanuel Kant Immanuel Kant (, , ; 22 April 1724 – 12 February 1804) was a German philosopher and one of the central Enlightenment thinkers. Born in Königsberg, Kant's comprehensive and systematic works in epistemology, metaphysics, ethics, and ...

can be seen as the fulfillment of all rational will. It is the supreme end of the will, meaning that beyond the attainment of a good

will Will may refer to: Common meanings * Will and testament, instructions for the disposition of one's property after death * Will (philosophy), or willpower * Will (sociology) * Will, volition (psychology) * Will, a modal verb - see Shall and wi ...

, which is moral excellence signified by abiding by the

categorical imperative The categorical imperative (german: kategorischer Imperativ) is the central philosophical concept in the deontological moral philosophy of Immanuel Kant. Introduced in Kant's 1785 '' Groundwork of the Metaphysic of Morals'', it is a way of eva ...

and

pure practical reason Pure practical reason (german: reine praktische Vernunft) is the opposite of impure (or sensibly-determined) practical reason and appears in Immanuel Kant's '' Critique of Practical Reason'' and ''Groundwork of the Metaphysic of Morals''. It is the ...

, this is not reducible to hypothetical imperatives such as happiness. Furthermore, in virtue of the doctrine of the highest good, Kant postulates the existence of God and the eternal existence of rational agents, in order to reconcile three premises: (i) that agents are morally obligated to fully attain the highest good; (ii) that the object of an agent’s obligation must be possible; (iii) that an agent’s full realization of the highest good is not possible.

Judgments

Judgments on the highest good have generally fallen into four categories: *

Utilitarianism In ethical philosophy, utilitarianism is a family of normative ethical theories that prescribe actions that maximize happiness and well-being for all affected individuals. Although different varieties of utilitarianism admit different chara ...

, when the highest good is identified with the maximum possible psychological happiness for the maximum number of people; *

Eudaemonism Eudaimonia (Greek: εὐδαιμονία ; sometimes anglicized as eudaemonia or eudemonia, ) is a Greek word literally translating to the state or condition of 'good spirit', and which is commonly translated as 'happiness' or 'welfare'. In wor ...

virtue ethics Virtue ethics (also aretaic ethics, from Greek ἀρετή arete_(moral_virtue).html"_;"title="'arete_(moral_virtue)">aretḗ''_is_an_approach_to_ethics_that_treats_the_concept_of_virtue.html" ;"title="arete_(moral_virtue)">aretḗ''.html" ; ...

, when the highest good is identified with

flourishing Flourishing is "when people experience positive emotions, positive psychological functioning and positive social functioning, most of the time," living "within an optimal range of human functioning." It is a descriptor and measure of positive men ...

; * Rational

deontologism In moral philosophy, deontological ethics or deontology (from Greek: + ) is the normative ethical theory that the morality of an action should be based on whether that action itself is right or wrong under a series of rules and principles, r ...

, when the highest good is identified with

virtue Virtue ( la, virtus) is morality, moral excellence. A virtue is a trait or quality that is deemed to be morally good and thus is Value (ethics), valued as a foundation of principle and good moral being. In other words, it is a behavior that sh ...

or duty; * Rational eudaemonism, or tempered deontologism, when both virtue and happiness are combined in the highest good.

Notes

;Attribution *

External links