What is the evidence that Imam Al-Bukhari and other memorizers of Hadith (Huffaz) memorized one hundred thousand Hadiths? Is there reliable proof for this? How were they able to memorize such a massive amount, alongside their reading, writing, and revision of the Quran? And has anyone in history been found to have reached the same level of memorization as they did?

Clarifying the meaning of "Hadith" according to the Imams resolves the ambiguity. It refers to the chains of transmission (asanid) and routes (turuq) of hadiths, even if they pertain to a single text, as well as the sayings of the Companions and the Tabi'in with their routes and chains. Al-Kattani mentioned that al-Bukhari memorized 100,000 sound hadiths and 200,000 unsound ones, and Muslim compiled his Sahih from 300,000 hadiths. Al-Hakim stated that some memorizers (huffaz) memorized 500,000 hadiths, and that Ahmad ibn Hanbal and Abu Zur'ah both memorized 700,000 hadiths. Al-Bayhaqi explained these numbers as including hadiths, sayings of the Companions and Tabi'in, or the multiple routes of a single hadith. Ibn al-Salah mentioned that the term "hadith" includes the traditions of the Companions and Tabi'in, and that a single hadith transmitted with two chains could be counted as two hadiths.

Scholars of Hadith have different ranks: Musnid, Muhaddith, and Hafiz. The title "Hafiz" was only given to one whose memorization of hadith routes and chains was firmly established, and the great Imams would bestow it upon those who deserved it. It has been authentically established with sound chains of transmission that some great huffaz, like Imam Ahmad, memorized one million hadiths. Al-Dhahabi mentioned that Ahmad memorized "one million hadiths," and that this included repetitions, traditions (athar), and fatwas of the Tabi'in, and that the strong elevated texts (marfu') did not amount to even a tenth of that.

The memorization of these Imams is not surprising given the power of Allah, who grants some of His creation this ability and determination. This is part of the preservation of the Sharia, which Allah has guaranteed. Al-Bukhari's scribe once asked his teacher for a remedy for memorization, and he replied: "I know of nothing more beneficial for memorization than a man's zeal and persistent observation." In our time, there are huffaz who possess exceptional memorization, such as Sheikh Abdul Aziz ibn Baz, Sheikh Abdullah al-Duwaish, Sheikh Yahya ibn Abdul Aziz al-Yahya, and Sheikh Salih ibn Abdullah al-Usaimi, in addition to contemporary Shinqiti scholars known for their strong memorization, including Sidi Muhammad al-Alawi, Muhammad Mahmud al-Tarkuzi, and Sheikh Muhammad Salim Abd al-Wadud. Allah blessed these huffaz with the grace of time management and organization, as they were jurists, teachers, and had professions. Anyone who organizes and manages their time skillfully can achieve what those huffaz achieved, with the success granted by Allah.