This book is a detailed explanation by Shaykh Muhammad ibn Salih al-Uthaymeen of Thalathat al-Usul (The Three Fundamental Principles), the timeless treatise of Imam Muhammad ibn Abd al-Wahhab. The original text addresses three essential questions that every Muslim must answer: “Who is your Lord? What is your religion? Who is your Prophet?” Shaykh al-Uthaymeen expands on these foundational matters with clarity, depth, and practical examples, showing how true understanding of these principles transforms both belief and practice.
What distinguishes this commentary is its accessibility—while rooted in precise scholarship, it remains easy for the general reader to follow, gradually building certainty in matters of creed. For students of knowledge, it serves as a vital study guide in Aqeedah; for lay readers, it provides a roadmap to strengthen faith, correct misconceptions, and connect directly to the essence of Islam. This work continues to serve as an indispensable primer for anyone seeking a firm grounding in authentic Islamic belief.