Kitab Sirrul Jalil " (also known as Al-Sirr al-Jalil fi Khawas Hasbunallah wa Ni’mal Wakil) is a highly regarded classical Sufi text focused on the spiritual secrets and benefits of the Quranic verse: "Hasbunallah wa Ni'mal Wakil" (Allah is sufficient for us, and He is the best Disposer of affairs). Core Features of the Kitab
Al Sirr Ul Jalil By Allama Abul Hasan Shazli - Internet Archive hot download kitab sirrul jalil pdf
Sirr al-Jalil عبد القادر الجيلاني (if attributed to Abdul Qadir al-Jilani — though authorship is debated).