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bukhari:7221Musaddad > Yaḥyá > Sufyān > Qays b. Muslim > Ṭāriq b. Shihāb > Abū Bakr

Abu Bakr said to the delegate of Buzakha. "Follow the tails of the camels till Allah shows the Caliph (successor) of His Prophet and Al-Muhajirin (emigrants) something because of which you may excuse yourselves."  

البخاري:٧٢٢١حَدَّثَنَا مُسَدَّدٌ حَدَّثَنَا يَحْيَى عَنْ سُفْيَانَ حَدَّثَنِي قَيْسُ بْنُ مُسْلِمٍ عَنْ طَارِقِ بْنِ شِهَابٍ عَنْ أَبِي بَكْرٍ ؓ قَالَ

لِوَفْدِ بُزَاخَةَ تَتْبَعُونَ أَذْنَابَ الإِبِلِ حَتَّى يُرِيَ اللَّهُ خَلِيفَةَ نَبِيِّهِ ﷺ وَالْمُهَاجِرِينَ أَمْرًا يَعْذِرُونَكُمْ بِهِ