<p>Justice is HarvardX's online adaptation of Michael Sandel's long-running undergraduate course in moral and political philosophy. Learners critically examine classical and contemporary theories of justice and apply them to present-day controversies, building skills in articulating and evaluating philosophical arguments.</p><ul><li>Self-paced, 12 weeks at roughly 3-6 hours per week; introductory level with no prior experience required.</li><li>Principal readings include Aristotle, John Locke, Immanuel Kant, John Stuart Mill, and John Rawls, plus contemporary philosophers, court cases, and political-philosophy essays.</li><li>Covers affirmative action, income distribution, same-sex marriage, the role of markets, human and property rights, arguments about equality, and dilemmas of loyalty.</li><li>Free to audit; an optional verified HarvardX certificate is available for a fee.</li></ul><p>Enrolment and course start dates are listed on the edX course page.</p>