Arabic (Original)
حَدَّثَنَا عَبْدُ الصَّمَدِ وَعَفَّانُ قَالَا ثَنَا هِشَامٌ حَدَّثَنَا قَتَادَةُ عَن الْحَسَنِ عَن سَمُرَةَ بْنِ جُنْدُبٍ قَالَ قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ الْبَيِّعَانِ بِالْخِيَارِ مَا لَمْ يَتَفَرَّقَا.
English Translation
Abd al-Samad and Affan told us, they said: Hisham told us: Qatadah told us, from al-Hasan, from Samurah ibn Jundub, who said: The Messenger of Allah (peace and blessings be upon him) said: "The two parties to a transaction have the option [to cancel] as long as they have not separated."