Ethics is a fundamental aspect of human life, shaping our decisions, actions, and interactions. As society becomes increasingly complex and interconnected, the need to understand and navigate ethical principles becomes ever more critical. This book, "Foundations and Frontiers in Ethics: A Comprehensive Study," is an attempt to offer a thorough exploration of ethical thought and practice, bridging historical perspectives with contemporary challenges.The journey of ethics begins with ancient philosophical inquiries into the nature of right and wrong, justice, and virtue. From Plato and Aristotle’s foundational theories to Kant and Bentham’s revolutionary ideas, ethical thought has continually evolved, reflecting and shaping human values and societal norms. This evolution underscores the importance of ethics in guiding individual behavior and institutional practices.