Sahih al-Bukhari 2157
Sahih al-Bukhari · Book 34: Sales and Trade · Is it permissible for a person from the town to sell the goods of a desert dweller
Narrated Jarir:
حَدَّثَنَا عَلِيُّ بْنُ عَبْدِ اللَّهِ ، حَدَّثَنَا سُفْيَانُ ، عَنْ إِسْمَاعِيلَ ، عَنْ قَيْسٍ ، سَمِعْتُ جَرِيرًا ـ رضى الله عنه ـ بَايَعْتُ رَسُولَ اللَّهِ صلى الله عليه وسلم عَلَى شَهَادَةِ أَنْ لاَ إِلَهَ إِلاَّ اللَّهُ وَأَنَّ مُحَمَّدًا رَسُولُ اللَّهِ، وَإِقَامِ الصَّلاَةِ، وَإِيتَاءِ الزَّكَاةِ، وَالسَّمْعِ وَالطَّاعَةِ، وَالنُّصْحِ لِكُلِّ مُسْلِمٍ.
I have given a pledge of allegiance to Allah's Messenger (ﷺ) for to testify that None has the right to be worshipped but Allah, and Muhammad is His Apostle, to offer prayers perfectly, to pay Zakat, to listen to and obey (Allah's and His Prophet's orders), and to give good advice to every Muslim.