Hadith: O Abu al-Mundhir, do you know which verse of Allah's Book that you have is the greatest? I said: {Allah: none has the right to be worshiped except Him, the Ever-Living, All-Sustaining...} [Surat al-Baqarah: 255]. Thereupon, he struck me on the chest and said: May knowledge be pleasant for you, O Abu al-Mundhir! - Encyclopedia of Translated Prophetic Hadiths

Hadith: O Abu al-Mundhir, do you know which verse of Allah's Book that you have is the greatest? I said: {Allah: none has the right to be worshiped except Him, the Ever-Living, All-Sustaining...} [Surat al-Baqarah: 255]. Thereupon, he struck me on the chest and said: May knowledge be pleasant for you, O Abu al-Mundhir! - Encyclopedia of Translated Prophetic Hadiths