In Conscience, Antonio Rosmini presents a profound philosophical and theological analysis of moral principles, building on his earlier work, Principles of Ethics. This book explores how reason and faith interact in shaping moral consciousness, and is intended for both believers and non-believers to understand fundamental human questions. This work is the final conclusion of Rosmini's ethical thought, examining how conscience acts as a moral guide. It is intended for all people, regardless of religious background, who grapple with fundamental moral questions. As a leading Catholic philosopher, Rosmini in this book emphasizes the crucial role of conscience in guiding human action based on objective truth.