حَدَّثَنَا حَجَّاجُ بْنُ مِنْهَالٍ، حَدَّثَنَا عَبْدُ الْعَزِيزِ الْمَاجِشُونُ، حَدَّثَنَا مُحَمَّدُ بْنُ الْمُنْكَدِرِ، عَنْ جَابِرِ بْنِ عَبْدِ اللَّهِ ـ رضى الله عنهما ـ قَالَ قَالَ النَّبِيُّ صلى الله عليه وسلم ‏"‏ رَأَيْتُنِي دَخَلْتُ الْجَنَّةَ، فَإِذَا أَنَا بِالرُّمَيْصَاءِ امْرَأَةِ أَبِي طَلْحَةَ وَسَمِعْتُ خَشَفَةً، فَقُلْتُ مَنْ هَذَا فَقَالَ هَذَا بِلاَلٌ‏.‏ وَرَأَيْتُ قَصْرًا بِفِنَائِهِ جَارِيَةٌ، فَقُلْتُ لِمَنْ هَذَا فَقَالَ لِعُمَرَ‏.‏ فَأَرَدْتُ أَنْ أَدْخُلَهُ فَأَنْظُرَ إِلَيْهِ، فَذَكَرْتُ غَيْرَتَكَ ‏"‏‏.‏ فَقَالَ عُمَرُ بِأُمِّي وَأَبِي يَا رَسُولَ اللَّهِ أَعَلَيْكَ أَغَارُ
Translation
Narrated Abu Sa`id Al-Khudri

I heard Allah's Messenger (ﷺ) saying, "While I was sleeping, the people were presented to me (in a dream). They were wearing shirts, some of which were merely covering their (chests). and some were a bit longer. `Umar was presented before me and his shirt was so long that he was dragging it." They asked, "How have you interpreted it, O Allah's Messenger (ﷺ)?" He said, "Religion."