This book demonstrates the importance of a duty-based approach to morality. The dominance of what has been labeled "rights talk" leads to the neglect of duties without corresponding rights (e.g., duties of virtue) and stimulates the proliferation of questionable human rights. Therefore, this book argues for a duty-based perspective on morality in order to, first, salvage duties of virtue, and, second, counter the trend of rights-proliferation by providing some conceptual clarity concerning rights and duties that will enable us to differentiate between genuine and spurious rights-claims....