Morality Henry Sidgwick, "Egoism and Self Love" David Hume, "Morality is Based on Sentiment," from the Treastise on Human Understanding Plato, "Euthyphro's Dilemma" from the Euthyphro John Stuart Mill, Utilitarianism (excerpts) Immanuel Kant, Groundwork for the Metaphysics of Morals (excerpts)