حَدَّثَنَا إِسْمَاعِيلُ أَخْبَرَنَا أَيُّوبُ عَنْ نَافِعٍ عَنِ ابْنِ عُمَرَ قَالَ قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ الْبَيِّعَانِ بِالْخِيَارِ حَتَّى يَتَفَرَّقَا أَوْ يَكُونَ بَيْعَ خِيَارٍ قَالَ وَرُبَّمَا قَالَ نَافِعٌ أَوْ يَقُولَ أَحَدُهُمَا لِلْآخَرِ اخْتَرْ
مسند امام احمد بن حنبل · Hadith 4484
It was narrated that Ibn 'Umar said: The Messenger of Allah (PBUH) said: "The two parties to a transaction have the option (of cancelling it) until they separate, unless it is bay khiyaar (a transaction in which the purchaser has the option of returning the goods within an a greed period),” And Naafi' may have said:” or one of them says to the other: 'Decide."
Translated by Dr. Muhammad Muhsin Khan · Reviewed by Islamic University of Madinah · Published March 2020