عن أبي بن كعب قال: قال رسول الله صلى الله عليه وسلم: «يا أبا المنذر، أتدري أي آية من كتاب الله معك أعظم؟» قال: قلت: الله ورسوله أعلم. قال: «يا أبا المنذر أتدري أي آية من كتاب الله معك أعظم؟» قال: قلت: {الله لا إله إلا هو الحي القيوم} [البقرة: 255]. قال: فضرب في صدري، وقال: «والله ليهنك العلم أبا المنذر».
[صحيح] - [رواه مسلم]
المزيــد ...
Ubayy ibn Ka‘b (may Allah be pleased with him) reported: The Messenger of Allah (may Allah’s peace and blessings be upon him) said: "O Abu al-Mundhir, do you know which verse of Allah's Book that you have is greatest?" I replied: "Allah and His Messenger know best." He said: "O Abu al-Mundhir, do you know which verse of Allah's Book that you have is 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!"
Sahih/Authentic. - [Muslim]
The Messenger of Allah (may Allah’s peace and blessings be upon him) said: O Abu al-Mundhir! This is a surname for Ubayy ibn Ka‘b (may Allah be pleased with him), who was one of the scholars among the Companions (may Allah be pleased with them). Do you know which verse of Allah's Book that you have is greatest? Ubayy ibn Ka‘b replied: Allah and His Messenger know best. The Prophet (may Allah’s peace and blessings be upon him) repeated the question, and Ubayy understood then that the Prophet (may Allah’s peace and blessings be upon him) wanted to hear his answer and the situation was intended for trying and teaching. So, he said: {Allah: none has the right to be worshiped except Him, the Ever-Living, All-Sustaining} [Surat al-Baqarah: 255]. Thereupon, the Prophet (may Allah’s peace and blessings be upon him) struck Ubayy on the chest and remarked: May knowledge be pleasant for you, O Abu al-Mundhir! This is a supplication for knowledge to be made easy for Ubayy and be firmly settled in him. He struck him on the chest as reference to the abundant knowledge and wisdom filling that chest.