Good
Good is the preferred conduct opposed to evil.
The concept of good denotes the conduct that should be preferred when posed with a choice between possible actions, and is generally considered the opposite of evil. Its meaning and etymology show substantial variation depending on circumstances of place, history, and philosophical or religious context. Every language includes a word for good in the sense of having the right or desirable quality, and a sense of moral judgment distinguishing right and wrong is a cultural universal. In European thought, the basic meanings of the ancient Greek terms for good and bad originally signified "brave, capable" and "cowardly," with an absolute moral sense emerging only around 400 BCE, particularly in the works of the pre-Socratic philosopher Democritus. This absolute morality was solidified in Plato’s dialogues, where the Form of the Good is presented as the ultimate principle that gives truth to all known things and enables the knower to understand concepts like justice. Plato analogized this Form to the sun, which is not sight itself but the cause of sight, and argued that the Good is superior to being in rank and power. Aristotle critically rejected Plato’s Form of the Good, arguing it does not apply to the physical world and is therefore irrelevant to human ethics. In ancient Persia, Zoroaster simplified earlier deities into two opposing forces: Ahura Mazda (Illuminating Wisdom) and Angra Mainyu (Destructive Spirit). This dualistic idea influenced Gnostic religions, which taught that enlightenment could be reached through philanthropy, sexual abstinence, and the diligent search for wisdom. Medieval Christian philosophy, building on Augustine and Thomas Aquinas, understood evil through biblical infallibility and the concept of the Summum bonum, with silent contemplation seen as the route to appreciating the Idea of the Good.
- field
- Philosophy, Ethics, Religion
- known_for
- Central concept in moral philosophy, debated by Plato, Aristotle, and later thinkers
- key_thinkers
- Plato, Aristotle, Zoroaster, Augustine, Thomas Aquinas, Immanuel Kant, John Rawls
- cultural_universal
- Every language has a word for good in the sense of 'having the right or desirable quality'
- opposite
- Evil
Lore & Background
In European thought, every language has a word expressing good in the sense of 'having the right or desirable quality' (ἀρετή). A sense of moral judgment and a distinction between right and wrong, good and bad, are cultural universals. The notable discussions of Plato and Aristotle on this subject have had significant historical effect. Plato's The Republic introduces the Form of the Good, which he analogizes to the sun: it is what gives truth to things known and the power to know to the knower, and is superior to being in rank and power. Aristotle, in contrast, argues that Plato's Form of the Good does not apply to the physical world and is therefore irrelevant to human ethics.
Reader's Guide
The concept of good has been foundational in Western philosophy, religion, and ethics. Plato's Form of the Good served as the basis for understanding all other forms, while Aristotle rejected its applicability to the physical world. In ancient Persia, Zoroaster simplified early Iranian deities into two opposing forces: Ahura Mazda (Illuminating Wisdom) and Angra Mainyu (Destructive Spirit). Medieval Christian philosophy, built on Augustine and Thomas Aquinas, understood evil in terms of Biblical infallibility and the Summum bonum. Enlightenment thinkers like Immanuel Kant studied 'the good, the true, and the beautiful,' and John Rawls later prioritized social arrangements based on their contribution to justice. In Asian thought, Buddhist cultures seek to overcome the antagonistic duality of good and evil through achieving emptiness (Śūnyatā). The dichotomy between good and evil remains a common framework in religion, ethics, and philosophy.
Did You Know?
- Plato analogized the Form of the Good to the sun, saying it is 'what gives truth to the things known and the power to know to the knower'.
- Aristotle argued that Plato's Form of the Good does not apply to the physical world and is irrelevant to human ethics.
- Zoroaster simplified early Iranian deities into two opposing forces: Ahura Mazda and Angra Mainyu.
- In Buddhist-influenced cultures, the duality of good and evil is to be overcome through achieving Śūnyatā, or emptiness.
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