In , author Sabina Lovibond explores the non-cognitive theory of ethics along with its objections and the alternative of moral realism. Delving into expressivism, perception, moral sense theory, objectivity, and more, this book pulls from Wittgenstein, Hegel, Bradley, Nietzsche and others to explore the many facets of ethics and perception. The discussion analyzes the language, theories, and criteria surrounding ethical action, and describes the faults and fallacies of traditional schools of thought.