Creed and Deed: A Series of Discourses by Felix Adler is a seminal work that explores the principles of secular ethics and moral philosophy. As the founder of the Ethical Culture movement, Adler advocates for a form of spirituality that is independent of religious dogma, emphasizing the importance of ethical living and individual responsibility. The book critiques traditional religion, arguing for a rational, humanistic approach to morality that prioritizes social justice and moral action over creed. Through a series of thought-provoking discourses, Adler addresses the need for social reform, urging readers to embrace an ethical framework that guides both personal conduct and societal progress. His work reflects the 19th-century intellectual currents that sought to reconcile spirituality with modern, rational thought. Creed and Deed remains a foundational text in the ethical movement, offering timeless insights into living a morally responsible life rooted in compassion and social responsibility.