|// Q 3: ayat-ul-Kursi (the Qur’anic Verse of allah’s Chair, Surah al-Baqarah, 2:255) is the best ayah in the Book of allah. It is equivalent to reciting one quarter of the Qur’an and whoever recites it after each Salah, will be admitted to Jannah (Paradise).
A: According to the report of Muslim in his Sahih on the authority of Ubay ibn Ka`b (may Allah be pleased with him) the Messenger of Allah (peace be upon him) stated: O Abu Al-Mundhir, do you know which Ayah in the Book of Allah is the greatest? I said: Allah and His Messenger know best. The Prophet said: O
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Abu Al-Mundhir, do you know which Ayah in the Book of Allah is the greatest? I said:Surah Al-Baqarah, 2: 255 Allâh! Lâ ilâha illa Huwa (none has the right to be worshipped but He), Al-Hayyul-Qayyuum (the Ever Living, the One Who sustains and protects all that exists). Upon that, the Prophet (peace and blessings of Allah be upon him) said, “Congratulations on your knowledge, O Abu Al-Mundhir!
According to the report classified as authentic by a group of scholars and narrated by Al-Nasa’i, Al-Tabarani, Al-Dia’ Al-Maqdesi in his collection “Al-Ahadith Al-Mukhtarah” i.e. the Chosen Hadiths, and others on the authority of Abu Umamah, may Allah be pleased with him, that the Messenger of Allah (peace be upon him) stated: Whoever recites Ayat-ul-Kursy (Ayah no. 255 of Surat Al-Baqarah) after every obligatory Salah will have nothing to prevent him from entering Paradise but his death
As for Ayat-ul-Kursy equaling one quarter of the Qur’an in reward, we know of no legal evidence for that.