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

Roman philosopher Ancient Roman philosophy is philosophy as it was practiced in the Roman Republic and its successor state, the Roman Empire. Roman philosophy includes not only philosophy written in Latin, but also philosophy written in Greek in the late Republic ...

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

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 The Form of the Good, or more literally translated "the Idea of the Good" (), is a concept in the philosophy of Plato. In Plato's Theory of Forms, in which Forms are defined as perfect, eternal, and changeless concepts existing outside space and ...

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

Epicurean Epicureanism is a system of philosophy founded 307 BCE based upon the teachings of Epicurus, an ancient Greek philosopher. Epicurus was an atomist and materialist, following in the steps of Democritus. His materialism led him to religious s ...

and

Cyrenaic The Cyrenaics or Kyrenaics (), were a sensual hedonist Greek school of philosophy founded in the 4th century Common Era, BCE, supposedly by Aristippus of Cyrene, although many of the principles of the school are believed to have been formalized b ...

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 that flourished in ancient Greece and Rome. The Stoics believed that the universe operated according to reason, ''i.e.'' by a God which is immersed in nature itself. Of all the schools of ancient ...

Epicureanism Epicureanism is a system of philosophy founded 307 BCE based upon the teachings of Epicurus, an ancient Greek philosopher. Epicurus was an atomist and materialist, following in the steps of Democritus. His materialism led him to religious s ...

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

and

Platonism Platonism is the philosophy of Plato and philosophical systems closely derived from it, though contemporary Platonists do not necessarily accept all doctrines of Plato. Platonism has had a profound effect on Western thought. At the most fundam ...

, 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 Thomism is the philosophical and theological school which arose as a legacy of the work and thought of Thomas Aquinas (1225–1274), the Dominican philosopher, theologian, and Doctor of the Church. In philosophy, Thomas's disputed questions ...

synthesis of

and

Christianity Christianity is an Abrahamic monotheistic religion, which states that Jesus in Christianity, Jesus is the Son of God (Christianity), Son of God and Resurrection of Jesus, rose from the dead after his Crucifixion of Jesus, crucifixion, whose ...

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

God In monotheistic belief systems, God is usually viewed as the supreme being, creator, and principal object of faith. In polytheistic belief systems, a god is "a spirit or being believed to have created, or for controlling some part of the un ...

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 m ...

, 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 (or extrinsic value) if they help one achieve a part ...

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

Plato and Aristotle

Plato Plato ( ; Greek language, Greek: , ; born BC, died 348/347 BC) was an ancient Greek philosopher of the Classical Greece, Classical period who is considered a foundational thinker in Western philosophy and an innovator of the writte ...

's ''

The Republic A republic is a form of government. Republic(s) or The Republic may also refer to: Governments * List of republics * First Republic (disambiguation) * Second Republic (disambiguation) * Third Republic (disambiguation) * Fourth Republic (disa ...

'' 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 (; 384–322 BC) was an Ancient Greek philosophy, Ancient Greek philosopher and polymath. His writings cover a broad range of subjects spanning the natural sciences, philosophy, linguistics, economics, politics, psychology, a ...

in his ''

Nicomachean Ethics The ''Nicomachean Ethics'' (; , ) is Aristotle's best-known work on ethics: the science of the good for human life, that which is the goal or end at which all our actions aim. () It consists of ten sections, referred to as books, and is closely ...

'' 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'' (journal), an aca ...

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 () or prime mover () is a concept advanced by Aristotle as a primary cause (or first uncaused cause) or " mover" of all the motion in the universe. As is implicit in the name, the moves other things, but is not itself moved by ...

owed much to Plato's Idea of the Good.

Hellenic syncretism

Philo Philo of Alexandria (; ; ; ), also called , was a Hellenistic Jewish philosopher who lived in Alexandria, in the Roman province of Egypt. The only event in Philo's life that can be decisively dated is his representation of the Alexandrian J ...

of Alexandria harmonized the

Old Testament The Old Testament (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 and occasionally Aramaic writings by the Isr ...

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

Plotinus Plotinus (; , ''Plōtînos''; – 270 CE) was a Greek Platonist philosopher, born and raised in Roman Egypt. Plotinus is regarded by modern scholarship as the founder of Neoplatonism. His teacher was the self-taught philosopher Ammonius ...

, the

neoplatonic Neoplatonism is a version 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 series of thinkers. Among the common id ...

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

Plutarch Plutarch (; , ''Ploútarchos'', ; – 120s) was a Greek Middle Platonist philosopher, historian, biographer, essayist, and priest at the Temple of Apollo (Delphi), Temple of Apollo in Delphi. He is known primarily for his ''Parallel Lives'', ...

drew on

Zoroastrianism Zoroastrianism ( ), also called Mazdayasnā () or Beh-dīn (), is an Iranian religions, Iranian religion centred on the Avesta and the teachings of Zoroaster, Zarathushtra Spitama, who is more commonly referred to by the Greek translation, ...

to develop his eternal principle of good.

Augustine of Hippo Augustine of Hippo ( , ; ; 13 November 354 – 28 August 430) was a theologian and philosopher of Berber origin and the bishop of Hippo Regius in Numidia, Roman North Africa. His writings deeply influenced the development of Western philosop ...

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'', ). Augustine denies the positive existence of absolute

evil Evil, as a concept, is usually defined as profoundly immoral behavior, and it is related to acts that cause unnecessary pain and suffering to others. Evil is commonly seen as the opposite, or sometimes absence, of good. It can be an extreme ...

, 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 19th-century German idealism, German idealist. His influence extends across a wide range of topics from metaphysical issues in epistemology and ontology, to political phi ...

replaced Plato's dialectical ascent to the Good by his own dialectical ascent to the Real.

G. E. Moore George Edward Moore (4 November 1873 – 24 October 1958) was an English philosopher, who with Bertrand Russell, Ludwig Wittgenstein and earlier Gottlob Frege was among the initiators of analytic philosophy. He and Russell began de-emphasizing ...

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 was a group of associated British writers, intellectuals, philosophers and artists in the early 20th century. Among the people involved in the group were Virginia Woolf, John Maynard Keynes, E. M. Forster, Vanessa Bell, a ...

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 Early life and education Bell ...

called his "all-important distinction between 'Good on the whole' and 'Good as a whole'". Immanuel Kant portrait c1790

The doctrine of the highest good maintained by

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

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 will ...

, which is moral excellence signified by abiding by the

categorical imperative The categorical imperative () is the central philosophical concept in the deontological Kantian ethics, moral philosophy of Immanuel Kant. Introduced in Kant's 1785 ''Groundwork of the Metaphysics of Morals'', it is a way of evaluating motivati ...

and

pure practical reason Pure practical reason () is reasoning that deals with what ought to be; namely, what actions we ought to do, appearing in Immanuel Kant's ''Critique of Practical Reason'' and ''Groundwork of the Metaphysics of Morals''. Being the opposite of impur ...

, 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 the affected individuals. In other words, utilitarian ideas encourage actions that lead to the ...

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

virtue ethics Virtue ethics (also aretaic ethics, from Greek []) is a philosophical approach that treats virtue and moral character, character as the primary subjects of ethics, in contrast to other ethical systems that put consequences of voluntary acts, pri ...

, when the highest good is identified with

flourishing Flourishing, or human flourishing, is the complete goodness of humans in a developmental life-span, that somehow includes positive psychological functioning and positive social functioning, along with other basic goods. The term is rooted in anci ...

; * Rational deontologism, when the highest good is identified with

virtue A virtue () is a trait of excellence, including traits that may be morality, moral, social, or intellectual. The cultivation and refinement of virtue is held to be the "good of humanity" and thus is Value (ethics), valued as an Telos, end purpos ...

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

Notes

;Attribution *

External links