Course Assignment Brief and Marking Guide: Ancient Political and Ethical Philosophy

Institutional Context and Module Overview

Students at New York University enrolled in PHIL-UA 40: Ancient Philosophy will complete this 1,200 to 1,500 word comparative assessment essay as their primary midterm task. The course examines foundational texts in classical Athenian thought, concentrating on the political and ethical treatises of Plato and Aristotle. This assignment asks students to compare Plato’s doctrine of psychic harmony in the Republic with Aristotle’s account of civic flourishing in the Nicomachean Ethics. Both thinkers examine whether individual virtue can exist independently of political community, yet each defines the relationship between the soul and the state through different analytical frameworks.

Submissions must be delivered through the university LMS before the designated deadline. Papers must adhere to standard MLA or Chicago notes and bibliography formatting, with typed, double-spaced text, 12-point Times New Roman font, and one-inch margins throughout. Academic integrity standards apply directly to this submission; all textual arguments must rest on primary source citations using standardized Stephanus pagination for Plato and Bekker numbers for Aristotle.

Assessment Task Description

In Book IV of the Republic, Plato identifies justice as an internal harmony wherein reason, spiritedness, and appetite each perform their proper civic and psychic duties without overreaching. Conversely, in Book I and Book X of the Nicomachean Ethics, Aristotle posits that eudaimonia represents activity of the soul in accordance with complete virtue across an entire human life, requiring social habituation, moral education, and adequate external goods within a functioning polis. Compose an argumentative comparative essay that resolves the following prompt:

Critically assess whether virtue functions primarily as an internal cognitive state or as an embodied civic practice. In your analysis, explain Plato’s tripartite division of the soul and evaluate Aristotle’s insistence that moral virtue cannot mature outside concrete political legislation. Your paper must advance an interpretive thesis, present textual proof from both authors, and anticipate a counterargument against your reading.

Specific Structural Requirements

• Word Count: 1,200 to 1,500 words. Footnotes and bibliographies do not count toward this total. Essays more than ten percent under or over the limit will receive a point deduction.
• Direct Textual Analysis: Cite the primary texts directly using standard classical notation. For Plato, provide Stephanus pages, letters, and sections (such as Resp. 436a-441c). For Aristotle, supply Bekker pages, columns, and line numbers (such as NE 1097b22-1098a20).
• Argumentative Thesis: State a precise interpretive thesis in the final lines of the introduction. Do not simply state that Plato and Aristotle are similar and different; take a clear stance on which thinker provides a more coherent account of ethical action.
• Anticipated Objection: Dedicate at least one substantial paragraph to framing a strong counterargument to your thesis, followed by a text-based philosophical rebuttal.
• Scholarly Integration: Incorporate two peer-reviewed academic sources from contemporary classical philosophy to contextualize your reading of the primary sources.

Marking Rubric and Evaluative Criteria

Criteria	High Distinction / Excellent (85–100%)	Distinction / Proficient (70–84%)	Credit / Basic Pass (50–69%)	Fail / Unsatisfactory (0–49%)
Thesis and Argumentation (30%)	Presents an insightful, logically sound thesis with rigorous progression; anticipates counterarguments seamlessly with compelling rebuttals.	Articulates a clear philosophical thesis supported by structured reasons; addresses objections clearly, though with minor analytical gaps.	Offers a mostly descriptive claim rather than a genuine argument; treats objections superficially or relies on loose assertions.	Lacks an identifiable thesis or presents contradictory claims without logical support; fails to engage counterarguments.
Textual Exegesis and Primary Evidence (30%)	Demonstrates mastery of Stephanus and Bekker passages; analyzes primary textual logic directly without relying on generalized summaries.	Accurately cites primary texts; provides competent explanations of central concepts with minor omissions in textual nuance.	Relies on broad narrative summaries of texts; misinterprets or underutilizes classical passages to support claims.	Fails to cite primary sources accurately; exhibits fundamental misunderstandings of Plato or Aristotle.
Philosophical Analysis and Context (25%)	Displays sophisticated understanding of psychic harmony and civic habituation; synthesizes secondary scholarship with originality.	Explains key philosophical concepts accurately; integrates secondary scholarship appropriately into the main narrative.	Mentions key concepts without showing how they connect; uses secondary sources merely as decorative quotes.	Omits core philosophical concepts; misrepresents ancient virtue ethics or relies on anachronistic claims.
Structure, Tone, and Referencing (15%)	Maintains formal academic prose; demonstrates natural flow and flawless citation mechanics using standard conventions.	Well structured and coherent; minor citation errors or occasional phrasing lapses that do not impede clarity.	Noticeable structural disorder, informal phrasing, or repeated mechanical errors in referencing.	Unclear, disorganized prose with serious grammatical defects or absent source citations.

Exemplar Student Analysis

Virtue as Psychic Order and Civic Activity

Plato establishes human justice not as an accidental social compromise, but as the structural balance of the soul. Reason governs the spirited element, while both parts work in tandem to regulate appetitive urges. In the Republic, this psychological architecture mirrors the political hierarchy of Kallipolis, where each class fulfills its assigned social task without interfering with others. Virtue exists when reason preserves command through cognitive clarity and rigorous philosophical discipline. Aristotle, however, rejects any model that confines complete moral excellence to internal contemplative order alone. In his Nicomachean Ethics, human flourishing emerges through purposive, habitual action in the public world, because theoretical comprehension cannot produce ethical character without concrete political habituation. Virtue requires active participation in civic institutions, since an individual separated from the polis lacks the communal practices necessary to actualize practical judgment.

Aristotle’s functional argument reveals why an internalized view of moral knowledge falls short of ethical life. As Kraut notes in his study of ethical deliberation, political legislation provides the indispensable framework through which citizens cultivate temperance and courage. Unformed youth cannot acquire prudence by reflecting on abstract paradigms alone, because immature desires naturally resist reasonable restraint without external boundaries. Laws serve as an extended ethical guide, training appetites toward appropriate pleasures and away from destructive excesses long before the intellect fully comprehends moral principles. Plato correctly observes that genuine justice demands psychic harmony, yet he assumes that intellectual contemplation of the Forms automatically orders human conduct. Aristotle demonstrates that moral virtue remains an unstable theoretical exercise until tested and stabilized within shared civic relations.

Textual Problems in Platonic and Aristotelian Virtue

A persistent problem in reading these thinkers involves deciding whether Aristotle’s criticism of Plato in Book I of the Ethics fairly represents Plato’s arguments. Aristotle contends that the Platonic Form of the Good is ethically inert because an abstract universal cannot instruct doctors or military leaders facing immediate practical decisions. Plato never intends the Form to act as a direct technical manual for specific crafts, however. His dialectical training purifies the soul of sensory delusions so the ruler can perceive genuine value, which in turn informs prudent decision-making across all civic tasks. Students often overlook this distinction by viewing Plato’s philosopher-king as an impractical ascetic detached from daily affairs. The Republic insists that genuine philosophers must descend back into the cave to govern practical affairs, demonstrating that Plato also envisioned an essential connection between theoretical contemplation and civic responsibility.

Habituation versus Intellectual Reflection

Modern comparative inquiries often ask whether Aristotle’s emphasis on moral habituation renders character formation entirely dependent on social luck. While Plato grounds moral certainty in direct rational insight, Aristotle concedes that individuals raised within corrupt cities or unstable households rarely attain genuine eudaimonia. External circumstances dictate whether an individual gains access to proper education, supportive mentors, and fair civic laws. To clarify this comparative distinction for examination papers, keep the following analytical distinctions in view:

1. Plato treats knowledge of the Good as an epistemic transformation that realigns internal psychic desires toward transcendent reality.
2. Aristotle defines virtue as a stable disposition developed through repetitive moral actions and guided by practical wisdom.
3. Platonic justice can exist within a private citizen who orders his soul, even if his surrounding regime is completely corrupt.
4. Aristotelian flourishing requires communal resources, external fortune, and active political association to reach complete maturity.

Careful analysis of both authors confirms that their disagreements stem from different starting assumptions about philosophical inquiry. Plato begins with ideal forms and works downward toward practical governance, confident that dialectical truth can heal fragmented political life. Aristotle begins with observable human practices, working upward from shared customs and legal codes toward a grounded conception of the common good. Both philosophers ultimately agree that isolated individuals cannot sustain virtue on their own. The central debate between them is whether ethical excellence depends primarily on intellectual purification of the soul or on lifelong habituation within civic institutions.

Referencing and Scholarly Resources

• Aristotle. (2014). Nicomachean Ethics. Translated by C. D. C. Reeve. Hackett Publishing.
• Kraut, R. (2018). The Quality of Life: Aristotle Revised. Oxford University Press. https://doi.org/10.1093/oso/9780198828846.001.0001
• Plato. (2004). Republic. Translated by C. D. C. Reeve. Hackett Publishing.
• Reeve, C. D. C. (2019). Aristotle on Practical Wisdom: Nicomachean Ethics VI. Harvard University Press. https://doi.org/10.4159/9780674240322
• Sedley, D. (2021). Plato’s Sociable Cities: Studies in the Republic and the Laws. Oxford University Press. https://doi.org/10.1093/oso/9780198870500.001.0001

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Virtue as Psychic Order and Civic Practice: Plato and Aristotle on the Formation of the Good Life

PHIL-UA 40: Ancient Philosophy | New York University | Comparative Philosophy Essay

Introduction

Ancient Greek philosophers approached virtue as a question about how human beings should live and what makes a life genuinely good. Plato and Aristotle agree that ethical excellence requires more than obedience to social expectations, but they disagree about the conditions that make virtuous conduct possible. In Book IV of Plato’s Republic, justice emerges when reason, spirit and appetite maintain their proper relationship within the soul. Aristotle offers a different account in the Nicomachean Ethics, where happiness (eudaimonia) depends on sustained virtuous activity, moral education and participation in a political community. Their disagreement concerns whether knowledge of what is good can establish virtue or whether people must acquire good character through repeated actions within an ordered society.

Plato provides a persuasive explanation of the psychological conditions that support ethical conduct, since reason must govern desire before a person can act justly. Nevertheless, Aristotle offers the stronger account of moral development because he explains how people acquire stable virtues through habituation, practical judgment and political institutions. His position does not make rational reflection unnecessary. Rather, it demonstrates that ethical understanding becomes meaningful when individuals translate it into consistent conduct. Virtue therefore requires an ordered soul, but its mature expression depends on embodied civic practice.

Plato’s Tripartite Soul and the Meaning of Justice

Plato’s account begins with the claim that justice must involve an orderly relationship among the different motivations within a person. In Republic IV, Socrates distinguishes three elements of the soul: reason (logistikon), spirit (thumos) and appetite (epithumetikon). Reason seeks truth and evaluates what benefits the whole person, whereas spirit responds to honour, indignation and personal dignity. Appetite pursues bodily satisfaction, including food, drink, wealth and sexual pleasure. These elements can support one another, but they can also conflict. Plato illustrates their independence through the example of someone who feels thirsty but refuses to drink because reason judges that drinking would be harmful (Republic 436a–439d).

The distinction matters because Plato does not define justice as the complete suppression of desire. Appetite remains a necessary part of human life, provided it does not control decisions that require rational judgment. Spirit also has an important role because it can support reason when appetite threatens to dominate conduct. Socrates compares spirit to an ally that helps reason maintain authority over the other motivations (Republic 440a–441c). Justice therefore exists when each element performs its proper function without attempting to govern the entire soul. Plato extends this psychological arrangement to his political theory, where rulers, auxiliaries and producers perform different functions within the city. The parallel suggests that political order and personal virtue depend on the proper distribution of authority.

Josh Wilburn’s analysis of Platonic psychology supports the importance of this distinction. In The Political Soul, Wilburn (2021) defends the seriousness of Plato’s commitment to tripartite psychology and interprets the three elements as distinct sources of human motivation. His account helps explain why psychic harmony involves more than intellectual awareness. Reason must govern actual desires and motivations, while spirit supplies the motivational support needed to sustain that authority. Plato’s position consequently has a practical dimension, even though its foundation remains an account of the soul’s internal structure.

The strength of Plato’s argument lies in its explanation of moral conflict. A person may understand that an action is harmful and still experience a powerful desire to perform it. Rational knowledge alone does not necessarily remove that conflict. Plato recognises that successful moral conduct requires the coordination of different psychological motivations. Nevertheless, his account leaves a question about how individuals acquire the dispositions that make this coordination stable. Philosophical education can develop rational understanding, but ordinary people also require repeated experiences that shape their responses to pleasure, anger and temptation.

Aristotle: Habituation, Practical Wisdom and Civic Formation

Aristotle addresses this difficulty through an account of virtue grounded in human activity. In Book I of the Nicomachean Ethics, he identifies eudaimonia as the highest human good and defines it through activity of the soul in accordance with virtue over a complete life (NE 1097b22–1098a20). Happiness, in this account, does not describe a temporary emotional state or the possession of good intentions. It concerns how a person actually lives. Someone may recognise the importance of courage or justice without consistently performing courageous or just actions. Aristotle therefore distinguishes the capacity to possess virtue from its expression in sustained activity.

His account of moral development becomes clearer in Book II. Aristotle argues that intellectual virtues develop largely through teaching and experience, whereas moral virtues arise through habituation (NE 1103a14–b25). People become just through performing just actions and develop temperance through practising temperate conduct. Repetition gradually forms a stable disposition, allowing individuals to respond appropriately without depending on external pressure at every decision. However, Aristotle does not treat every outwardly correct action as evidence of genuine virtue. A virtuous person must understand what they are doing, choose the action for its own sake and act from a firm character (NE 1105a28–b1).

Margaret Hampson (2021) provides a useful interpretation of this process in her analysis of the habituation puzzle in Nicomachean Ethics II.4. She argues that Aristotle’s discussion establishes the necessity of practice rather than simply describing how learners imitate already virtuous people. The distinction strengthens Aristotle’s position because moral education involves the gradual formation of character through action. A child may initially follow rules because parents or teachers demand obedience. Over time, appropriate instruction and repeated conduct can develop a disposition that supports independent moral judgment. Habituation thus prepares individuals to exercise virtue rather than merely comply with instructions.

Practical wisdom (phronesis) connects moral character with sound decision-making. Aristotle explains that practical wisdom concerns deliberation about what contributes to living well, particularly in circumstances where general rules cannot determine every appropriate response (NE 1140a24–1140b30). A courageous action, for example, requires more than a willingness to face danger. The individual must judge whether the danger is worth confronting and whether the circumstances justify the risk. Moral virtue establishes appropriate ends, while practical wisdom guides the selection of suitable actions. Aristotle consequently avoids reducing ethical conduct either to abstract knowledge or to unreflective habit.

Civic institutions supply the conditions in which these capacities develop. Aristotle assigns legislators responsibility for making citizens good through habituation, arguing that the success of political communities depends partly on the quality of their laws and educational arrangements (NE 1103b2–6). His discussion in Book X returns to the same concern. Legislators must encourage good habits through education, rewards and penalties because individuals rarely develop moral excellence through private instruction alone (NE 1179b31–1180a24). Laws therefore serve an educational purpose. They regulate conduct while helping citizens acquire dispositions that support a shared understanding of justice and the common good.

Richard Kraut’s (2018) study of Aristotelian well-being offers further context for this argument. Kraut examines the relationship between ethical virtue and human flourishing, emphasizing the importance of developing human capacities through valuable forms of activity. His interpretation supports the view that flourishing involves the quality of a person’s actual life rather than the mere possession of desirable characteristics. Aristotle’s position is especially persuasive here because it explains why virtue must appear in conduct across time. Ethical character becomes meaningful through what individuals repeatedly choose and do.

The Relationship Between Personal Virtue and Political Community

The contrast between Plato and Aristotle becomes clearer when their accounts of political responsibility are considered together. Plato does not regard individual justice as independent of political life. His ideal city provides an educational and institutional structure intended to develop citizens whose souls reflect rational order. The philosopher-rulers must understand the Good and accept responsibility for governing the community. In Book VII, Socrates insists that philosophers who have received the highest education must return to the cave and participate in governing rather than remain absorbed in contemplation (Republic 519c–520e). Plato therefore recognises that philosophical understanding carries civic responsibilities.

Nevertheless, Plato gives intellectual insight a more decisive role in establishing the foundations of virtue. The philosopher understands what justice requires because philosophical education directs the soul towards the Good. Aristotle places greater emphasis on the conditions that shape conduct before individuals achieve mature rational judgment. His account begins with the observation that people acquire habits within families and political communities. Good legislation supports moral education, whereas poor laws can reinforce destructive habits. Political institutions therefore influence the development of character rather than simply provide an external setting in which individuals exercise already established virtues.

Aristotle’s argument also explains why human flourishing depends on circumstances beyond personal control. His discussion of external goods in Book I acknowledges that virtuous activity requires certain material and social conditions. Severe misfortune, isolation and the absence of essential resources can restrict a person’s opportunities to live well (NE 1099a31–b8). Such limitations expose an important tension in his account. If flourishing depends partly on political and material circumstances, individuals raised under unjust governments may struggle to develop the virtues necessary for a good life. Nevertheless, acknowledging these limitations strengthens the realism of Aristotle’s position. Ethical development takes place among actual human beings whose opportunities depend partly on their social conditions.

Counterargument: Does Plato Already Provide a Civic Account of Virtue?

A strong objection to the argument that Aristotle offers the more coherent account concerns the relationship between Plato’s philosophy and political education. Plato does not simply expect individuals to discover the Good through private reflection. The Republic presents an extensive educational programme involving music, physical training, mathematical study and dialectical reasoning. These educational arrangements aim to shape citizens’ desires and prepare future rulers for political responsibility. Furthermore, the philosopher’s return to the cave demonstrates that genuine understanding must inform public decisions. Plato could therefore argue that his account already combines internal rational order with practical civic responsibility.

The objection identifies a genuine strength in Plato’s political philosophy. His model recognises that individuals require an appropriate educational environment before they can develop sound judgment. It would consequently be inaccurate to describe Platonic virtue as purely private or detached from social experience. However, the objection does not remove the difference between the two thinkers. Plato explains the proper structure of virtue primarily through the relationship among the soul’s elements and the authority of reason. Aristotle provides a more detailed account of how repeated conduct, emotional development and practical judgment produce stable moral dispositions. His analysis also explains the legislator’s responsibility for shaping those dispositions through laws and institutions.

Hampson’s (2021) interpretation of habituation reinforces this distinction. Aristotle’s emphasis on practice addresses a fundamental problem of ethical development: individuals must learn to act appropriately before they possess the complete character of a virtuous person. Such learning requires guided experience rather than intellectual instruction alone. Plato offers a compelling account of what an ordered soul looks like, whereas Aristotle explains more directly how people can develop the character necessary to achieve it. The Aristotelian approach therefore provides the stronger explanation of moral formation, even though Plato remains essential for understanding the psychological conditions of justice.

Conclusion

Virtue requires internal psychological order, but its mature expression depends on sustained action within a supportive civic community. Plato’s tripartite account explains how reason, spirit and appetite must cooperate for justice to exist within the individual. His political philosophy also recognises the importance of education and the responsibilities of philosophical rulers. Aristotle, however, provides a more convincing explanation of how individuals acquire moral excellence through habituation, practical wisdom and appropriate legislation. His account connects ethical understanding with the repeated decisions that gradually establish good character. Political institutions matter because they influence the habits and opportunities through which people learn to act well. Aristotle therefore offers the stronger account of virtue as an embodied civic practice, while Plato supplies an important explanation of the rational order that should guide it.

Works Cited

The following references use MLA-style formatting, which suits the humanities focus of PHIL-UA 40. Three contemporary scholarly sources support the comparative analysis, alongside the two primary texts.

Aristotle. Nicomachean Ethics. Translated by C. D. C. Reeve, Hackett Publishing, 2014.

Hampson, Margaret. “Aristotle on the Necessity of Habituation: Re-Reading Nicomachean Ethics 2.4.” Phronesis, vol. 66, no. 1, 2021, pp. 1–26. https://doi.org/10.1163/15685284-bja10032.

Kraut, Richard. The Quality of Life: Aristotle Revised. Oxford University Press, 2018. https://doi.org/10.1093/oso/9780198828846.001.0001.

Plato. Republic. Translated by C. D. C. Reeve, Hackett Publishing, 2004.

Wilburn, Josh. The Political Soul: Plato on Thumos, Spirited Motivation, and the City. Oxford University Press, 2021. https://doi.org/10.1093/oso/9780198861867.001.0001

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