[Machine] The Messenger of Allah ﷺ said: "Every transaction is null and void until the two parties separate, except in the case of exchanging the best of goods."
قَالَ رَسُولُ اللهِ ﷺ كُلُّ بَيِّعَيْنِ لَا بَيْعَ بَيْنَهُمَا حَتَّى يَتَفَرَّقَا إِلَّا بَيْعَ الْخِيَارِ