This volume collects essays by the late bioethicist John D. Arras, best known for his many contributions to the methodology of bioethics. Always open-minded, Arras did not favor a single theory or view of method in bioethics, eschewing labels such as "casuist" or "pragmatist." He was conversant with the main philosophical methods that have dominated bioethics since the field's origin, including principlism, Gert's common morality, the "new casuistry",...