Ibn al-Ṣalāḥ (d. 643)

said in his famous Muqaddimah in the science of Ḥadīth: “And to Him I submit and supplicate, seeking closeness to Him through every intermediary and seeking intercession to Him through every interces-

This book reveals hidden secrets, solves complex issues, establishes principles, clarifies guidelines, explains rulings, distinguishes categories, elucidates fundamentals, elaborates on branches and chapters, gathers scattered knowledge and benefits, and captures the subtleties of its nuances and advantages. I ask the Almighty God, in whose hands lie harm and benefit, giving and withholding, I implore and beseech Him, seeking His help through every means, interceding with every intercessor, to make it abundant in that.

"The book "Al-Ulum" by Ibn al-Salah, Imam Abu Umar, and Uthman ibn Abdul Rahman al-Shahrazuri"