Al-Hafidh Abu'l-Fadl Al-Maqdisi said: "I heard Al-Imam Abu Ismaʿil ʿAbdullah bin Muhammad Al-Ansari in Harrah - when Abu ʿIsa At-Tirmidhi and his book was mentioned before him - saying: "To me, his book is more useful than the books of Al-Bukhari and that of Muslim.
Ibn Al-Athir said: "(It) is the best of books, having the most benefit, the best organization, with the least repetition.