The will is not merely an abstract concept; it is the very engine of our moral lives, the crucible in which duty is forged, and the ultimate determinant of our ethical trajectory. This article delves into the profound role the will plays in moral action, examining how philosophers throughout the Great Books of the Western World have grappled with its power to navigate between good and evil. We will explore its historical conceptualization, particularly its pivotal connection to duty, and understand why the will remains central to any serious discussion of ethics.


The Will: The Architect of Moral Action

At the heart of human agency lies the will—that mysterious faculty by which we choose, decide, and act. In the realm of moral philosophy, its role is paramount. Without a will, there can be no intentional action, and without intentional action, the very foundation of moral judgment crumbles. Is an action good or evil merely by its outcome, or by the intention, the will behind it? This question has occupied thinkers for millennia.

Historical Perspectives on Will and Morality

The concept of the will has evolved significantly, yet its link to moral responsibility has remained constant.

Ancient Greece: Reason and Choice

While the term "will" as a distinct faculty might not be as explicit in early Greek philosophy as it is in later traditions, the idea of choice (prohairesis) is central.

  • Plato, in works like The Republic, emphasizes reason's role in guiding the soul towards the Good. The rational part of the soul, when properly cultivated, directs the spirited and appetitive parts. A virtuous life, therefore, is a life where reason wills the good.
  • Aristotle, particularly in the Nicomachean Ethics, discusses voluntary action and deliberation. Moral virtue, for Aristotle, is a disposition concerned with choice, lying in a mean relative to us, determined by a rational principle. The will here is intertwined with practical reason, choosing actions that align with virtue.

Medieval Thought: Free Will and Divine Law

The advent of Christian theology brought a heightened focus on free will and its implications for sin and salvation.

  • Augustine of Hippo, in Confessions and City of God, powerfully articulates the role of the will in choosing good and evil. For Augustine, sin is a perversion of the will, a turning away from God. Free will is a gift, essential for moral responsibility, even though it can lead to evil.
  • Thomas Aquinas, building on Aristotle, integrates the will with intellect. The intellect apprehends the good, and the will then moves towards it. For Aquinas, the ultimate good is God, and the will's proper duty is to choose actions aligning with natural law and divine law.

Enlightenment Philosophy: The Good Will and Duty

The most direct and influential connection between will and duty comes from Immanuel Kant.

  • Immanuel Kant, in his Groundwork of the Metaphysics of Morals, posits that the only thing unqualifiedly good is a good will. A good will is not good because of what it effects or accomplishes, but because it wills out of duty.
    • Duty-Based Ethics: For Kant, moral actions are those performed purely from a sense of duty, not from inclination, desire, or anticipated outcome. The will is moral when it acts in accordance with the categorical imperative – a universal moral law that reason dictates.
    • Categorical Imperative: This is the supreme principle of morality, demanding that we act only according to maxims that we could at the same time will to become universal laws. The will here is the legislative force, determining what constitutes moral law for all rational beings.

The Interplay of Will, Duty, and Good/Evil

The relationship between these concepts is intricate and foundational to understanding moral philosophy.

Concept Primary Role in Moral Action Connection to Duty Distinction from Good/Evil
Will The faculty of choice and intention; the source of agency. The will determines whether an action is performed from duty or merely in accordance with it. The will's orientation (towards good or evil) defines the moral quality of an action.
Duty A moral obligation or requirement. A moral action is one performed because it is a duty, not for other reasons. Duty is prescriptive; acting from duty is inherently good, regardless of outcome.
Good That which is morally right, beneficial, or virtuous. Actions performed from duty are considered good. Good is the aim or outcome; the will determines the moral goodness of the act.
Evil That which is morally wrong, harmful, or vicious. A failure to act from duty, or acting contrary to duty, can lead to evil. Evil is the opposite of good; it arises from a perversion or misdirection of the will.

(Image: A detailed depiction of a solitary figure standing at a crossroads, one path clearly illuminated and straight, the other shadowed and winding. The figure, dressed in simple, timeless robes, holds a compass in one hand, gazing intently at its needle, symbolizing the internal struggle of the will making a moral choice between duty and temptation, good and evil.)

The Enduring Significance of Will in Moral Philosophy

The role of the will continues to be a vibrant area of philosophical inquiry. How much freedom do we truly possess? Is our will genuinely free, or determined by external forces, biology, or psychology? These questions directly impact our understanding of moral responsibility and the very possibility of duty.

If the will is not free, then the concept of moral duty—an obligation that implies choice—becomes problematic. However, if we accept, as many philosophers do, that some degree of free will exists, then the will's role in choosing to uphold duty and strive for the good (and avoid evil) remains indispensable. It is the locus of our moral agency, the point where abstract ethical principles translate into concrete actions that shape our character and the world around us.


YouTube: "Kant's Good Will and Duty Explained"
YouTube: "Free Will vs. Determinism Philosophy Debate"

Video by: The School of Life

💡 Want different videos? Search YouTube for: "The Role of Will in Moral Action (Duty) philosophy"

Share this post