وَعَنْ عُمَرَ بْنِ الْخَطَّابِ رَضِيَ اللَّهُ عَنْهُ قَالَ اسْتَأْذَنْتُ النَّبِيَّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ فِي الْعُمْرَةِ فَأَذِنَ لِي وَقَالَ: «أَشْرِكْنَا يَا أُخَيُّ فِي دُعَائِكَ وَلَا تَنْسَنَا» . فَقَالَ كَلِمَةً مَا يَسُرُّنِي أَنَّ لِيَ بِهَا الدُّنْيَا. رَوَاهُ أَبُو دَاوُدَ وَالتِّرْمِذِيُّ وَانْتَهَتْ رِوَايَتُهُ عِنْدَ قَوْلِهِ «لَا تنسنا»

I asked the Prophet’s permission to perform an ‘umra and he gave me permission, saying, “Include me in your supplication, little brother, and do not forget me.” Then he said a word to me for which I would not be willing to take the world in exchange. Abu Dawud and Tirmidhi transmitted it, Tirmidhi’s version ending with “do not forget me.”