: Includes famous formulas like Salāt al-ʿAẓīmiyyah , a majestic prayer upon the Prophet Muhammad often used for immense spiritual reward.

(The Treasury of Secrets) is a monumental 19th-century Arabic compendium compiled by the prominent Ottoman Sufi scholar Sheikh Sayyid Muhammad Haqqi an-Nazili. Officially titled Khazinat al-Asrar Jalilat al-Adhkar , this classic text serves as an authoritative encyclopedia on the esoteric virtues, spiritual benefits, and hidden dimensions of the Holy Qur'an, Prophetic supplications, and mystical formulas.

Attributed to the great scholar and saint, (author of the famous Dala'il al-Khayrat ), or compiled by his followers based on his teachings, this text represents the pinnacle of Ilm al-Ladunni —the knowledge that is divinely inspired.

For generations, the text has occupied a highly revered position among scholars, spiritual seekers, and traditional healers across the Islamic world, particularly within Turkish, Arab, and Southeast Asian Pesantren (Islamic boarding school) cultures. 1. Author and Historical Context

The most widely known and influential text bearing this name is the 19th-century hadith compilation, Khazinah al-Asrar Jalilah al-Adhkar (خزينة الأسرار جليلة الأذكار). This title, meaning "The Treasury of Secrets and the Glorious Remembrances," is a masterpiece that focuses on the virtues and hidden benefits ( fada'il ) of the Quran.

Think of it as a spiritual manual for the soul's navigation through the trials of this world and the unseen realms.

Khazinat al-Asrar Jalilat al-Adhkir خزينة الأسرار جليلة الأذكار

Rumi, in particular, seems to have drawn heavily from Nizami’s structural approach—using anecdotes to break the flow of a main narrative to highlight a spiritual point. The concept that poetry can be a vessel for the highest metaphysical truths is a legacy cemented by this work.

The creator of this work was Muhammad Haqqi al-Nazili (c. 1800-1884 CE), a figure of great stature in the 19th-century Islamic world.

The Khazinah al-Asrar Jalilah al-Adhkar is a unique and enduring contribution to Islamic literature. It is a testament to how rigorous hadith scholarship, deep Sufi spirituality, and practical piety can be brought together into a single, harmonious work.

Al-Nazili, who lived and taught in Mecca, often includes the ijaza (spiritual authorization) he received for these prayers from his own masters, grounding the practices in a chain of transmission. Historical and Cultural Impact