Arabic Text
حَدَّثَنِي مُحَمَّدُ بْنُ الصَّلْتِ أَبُو جَعْفَرٍ الْكُوفِيُّ، حَدَّثَنَا ابْنُ الْمُبَارَكِ، عَنْ يُونُسَ، عَنِ الزُّهْرِيِّ، قَالَ أَخْبَرَنِي حَمْزَةُ، عَنْ أَبِيهِ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ " بَيْنَا أَنَا نَائِمٌ شَرِبْتُ ـ يَعْنِي اللَّبَنَ ـ حَتَّى أَنْظُرُ إِلَى الرِّيِّ يَجْرِي فِي ظُفُرِي أَوْ فِي أَظْفَارِي، ثُمَّ نَاوَلْتُ عُمَرَ ". فَقَالُوا فَمَا أَوَّلْتَهُ قَالَ " الْعِلْمَ ".
English Translation
Narrated Hamza's father: Allah's Apostle said, "While I was sleeping, I saw myself drinking (i.e. milk), and I was so contented that I saw the milk flowing through my nails. Then I gave (the milk) to 'Umar." They (i.e. the companions of the Prophet) asked, "What do you interpret it?" He said, "Knowledge."
This hadith is from Sahih al-Bukhari, the most rigorously authenticated collection in Islamic scholarship. No editorial opinion is added.