Abu Ahmad al-Hakim: Generally, his hadiths are inverted
Abu Ahmad ibn 'Adi al-Jurjani: He, despite his poor memory, writes his hadith
Abu Bakr al-Bayhaqi: Not strong in hadith, and once: He is not to be used as evidence, and once: There is no argument in what he narrates alone due to his poor memory and many mistakes in narrations, and he once said: He has many delusions
Abu Hatim al-Razi: His place is truthfulness, he had a bad memory, he was preoccupied with judging so his memory worsened, he is not accused of any lying, but he is criticized for his many mistakes, his hadith is written but not used as evidence, and Ibn Abi Layla and Hajjaj ibn Arta'ah, how close they are
Abu Hatim ibn Hibban al-Busti: Extremely erroneous, poor memory, so many mistakes are found in his narrations, Ahmad and Yahya abandoned him
Abu Zar'ah al-Razi: Righteous, but not the strongest
Ahmad ibn Hanbal: Poor memory, confused hadith, and the jurisprudence of Ibn Abi Layla was dearer to us than his hadith, his hadith is confusing, and once: Weak, most of his narrations from 'Ata' are mistakes, and once: Weak, and al-Hajjaj is better than him in my opinion
Ahmad ibn Shu'ayb al-Nasa'i: One of the jurists, not strong in hadith
Ahmad ibn Salih al-Jili: A man of Sunnah, trustworthy, his hadith is permissible
Ibrahim ibn Ya'qub al-Jawzajani: Weak hadith, poor memory
Ibn Hajar al-'Asqalani: Trustworthy, very poor memory, and poor memory
al-Daraqutni: Trustworthy, there is something in his memory, and once: Poor memory, many delusions, once: Not a hafiz (memorizer of hadith), and once: Weak in hadith, poor memory
Zaydah ibn Qudamah al-Thaqafi: Abandoned his hadith, and once: He was the most knowledgeable of the people of the world, and once: The most knowledgeable of us about ourselves
Zakariyya ibn Yahya al-Saji: He had a bad memory, he did not intend to lie, so he was praised for his judging, but as for hadith, he was not an argument
Sufyan al-Thawri: Our jurists are Ibn Abi Layla and Ibn Shubrumah, and once: Our jurist and teacher
Shu'bah ibn al-Hajjaj: I have not seen anyone with a worse memory than him, and once: He benefited me with hadiths, but then they turned out to be inverted
Shu'ayb al-Arna'ut: Poor memory
Ali ibn al-Madini: Poor memory, weak hadith
Muhammad ibn Ishaq ibn Khuzaymah: Not a hafiz, even though he was a knowledgeable jurist
Muhammad ibn Isma'il al-Bukhari: Trustworthy, but I do not narrate anything from him because he does not know the sahih (sound) hadith from the weak, and his hadith is very weak
Muhammad ibn Jarir al-Tabari: He is not to be used as evidence
Mansur ibn al-Mu'tamir al-Kufi: He was asked about the most knowledgeable of the people of Kufa? He said: Their judge, meaning Ibn Abi Layla
Yahya ibn Sa'id al-Qattan: Very poor memory
Yahya ibn Ma'in: Not like that, and once: He was asked: Is Zakariyya ibn Abi Zaydah dearer to you than al-Sha'bi or Ibn Abi Layla? He said: Zakariyya is dearer to me in everything, and Ibn Abi Layla is weak in hadith, and once: He is weakened from 'Ata'
Ya'qub ibn Ibrahim al-Qadi: No one has ever held the position of judge who was more knowledgeable in the religion of Allah, nor more well-versed in the Book of Allah, nor more truthful by Allah, nor more forgiving of wealth than him
Ya'qub ibn Sufyan al-Faswi: Trustworthy, just, there is some discussion about his hadith, lenient in hadith according to them