Jami` at-Tirmidhi 3687
جامع الترمذي#3687Sahihحَدَّثَنَا قُتَيْبَةُ، قَالَ حَدَّثَنَا اللَّيْثُ، عَنْ عُقَيْلٍ، عَنِ الزُّهْرِيِّ، عَنْ حَمْزَةَ بْنِ عَبْدِ اللَّهِ بْنِ عُمَرَ، عَنِ ابْنِ عُمَرَ، رضى الله عنهما قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " رَأَيْتُ كَأَنِّي أُتِيتُ بِقَدَحٍ مِنْ لَبَنٍ فَشَرِبْتُ مِنْهُ فَأَعْطَيْتُ فَضْلِي عُمَرَ بْنَ الْخَطَّابِ " . قَالُوا فَمَا أَوَّلْتَهُ يَا رَسُولَ اللَّهِ قَالَ " الْعِلْمَ " .هَذَا حَدِيثٌ حَسَنٌ صَحِيحٌ غَرِيبٌ .
Narrated Ibn 'Umar:"The Messenger of Allah (ﷺ) said: 'I saw that I was brought a cup of milk, so I drank from it, and I gave my leftover to 'Umar bin Al-Khattab.' They said: 'So what did you interpret it as O Messenger of Allah?' He said: '(It is) Knowledge
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 49:83