The Radiant Light on the Foundations of Religious Belief --- Ibn Juzayy

A timeless contribution to the study of Islamic creed (ʿaqīdah), The Radiant Light on the Foundations of Religious Belief seeks to reaffirm the sound beliefs of the earliest generations of Muslims and the Pious Predecessors (al-Salaf al-Ṣāliḥ). Emphasizing the centrality of faith as the foundation of Muslim unity, the work calls believers to transcend sectarian disputes and return to the shared principles revealed by Allah and preserved by the earliest generations of Islam.

Combining rigorous scholarship with eloquent prose, the author presents the essential tenets of Islamic belief through a harmonious blend of rational reflection and textual evidence. Drawing upon the Qur’an and Sunnah, he demonstrates how sound reason and authentic revelation complement one another in establishing certainty and strengthening faith.

Clear, methodical, and accessible, this treatise addresses foundational questions of belief while equipping readers with a principled approach to understanding and defending orthodox Islamic doctrine. Its enduring relevance lies not only in the truths it conveys but also in the balanced methodology through which those truths are presented.

More than a book to be read, The Radiant Light on the Foundations of Religious Belief is a text to be studied and reflected upon—an invaluable resource for students of knowledge, teachers, and anyone seeking a deeper understanding of the foundations of Islamic faith.

Abū al-Qāsim Muhammad ibn Juzayy al-Kalbī

693–741 AH (1294–1340 CE)

An illustrious Andalusi Maliki scholar and khatīb of the Great Mosque of Gharnātah (Granada), Ibn Juzayy stood at the heart of the great affairs of his age. A devoted educator as well as a man of action, he was deeply engaged in the defence of his land, ultimately meeting his end on the battlefield of Tarīfah. He leaves behind a rich and enduring legacy across the Islamic sciences — from jurisprudence and Qur’anic exegesis, to the Arabic language, hadīth, and adab — a testament to both the breadth of his learning and the refinement of his pen.