Jeremy Waldron's lecture at the Holberg Prize Symposium 2007. The Symposium was in honor of Holberg Prize laureate 2007 Ronald Dworkin. Jeremy Waldron is University Professor at New York University School of Law, and teaches legal and political philosophy. Professor Waldron has written and published extensively in jurisprudence and political theory. He is the author of Law and Disagreement (Oxford 1999) and God, Locke and Equality (Cambridge 2002). His books and articles on theories of rights, on constitutionalism, on democracy, property, torture, and homelessness are well known, as is his work in historical political theory (on Aristotle, Hobbes, Locke, Bentham, Mill, and Arendt). Less