Sahih
أَخْبَرَنَا أَحْمَدُ بْنُ حَرْبٍ، قَالَ حَدَّثَنَا أَبُو مُعَاوِيَةَ، عَنْ حَجَّاجٍ، عَنْ أَبِي الزُّبَيْرِ، عَنْ طَاوُسٍ، عَنِ ابْنِ عَبَّاسٍ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " الْعَائِدُ فِي هِبَتِهِ كَالْعَائِدِ فِي قَيْئِهِ " .
It was narrated from Abu Az-Zubair, from Tawus, that Ibn 'Abbas said:"The Messenger of Allah said: 'The one who takes back his gift, is like the one who goes back to his vomit