Preface; 1. Luck and ethics; Part I. Tragedy: Fragility and Ambition: 2. Aeschylus and practical conflict; 3. Sophocles' Antigone: conflict, vision, and simplification; Part II. Plato: Goodness without Fragility: 4. The Protagoras: a science of practical reasoning; Interlude 1. Plato's anti-tragic theater; 5. The Republic: true value and the standpoint of perfection; 6. The speech of Alcibiades: a reading of the Symposium; 7. 'This story isn't true': madness, reason, and recantation in the Phaedrus; Part III. Aristotle: The Fragility of the Good Human Life: Introduction; 8. Saving Aristotle's appearances; 9. Rational animals and the explanation of action; 10. Non-scientific deliberation; 11. The vulnerability of the Good Human Life: activity and disaster; 12. The vulnerability of the Good Human Life: relational goods; Appendix to Part III; Interlude 2. Luck and the tragic emotions; Epilogue. Tragedy; 13. The betrayal of convention: a reading of Euripedes' Hecuba.