WHEN ALLAH DOES NOT CARE ABOUT YOUR FAST H 1267 "If a man does not refrain from false accusation and its practice Allah does not care about him refraining from his food and drink." R 1267 Bukhari with a chain up to Abu Hurairah who related that the Messenger of Allah, praise and peace be upon him, said this.
1241- وعنه ، قَالَ : قَالَ النبيُّ صلى الله عليه وآله وسلم : "مَنْ لَمْ يَدَعْ قَوْلَ الزُّورِ وَالعَمَلَ بِهِ فَلَيْسَ للهِ حَاجَةٌ في أنْ يَدَعَ طَعَامَهُ وَشَرَابَهُ" رواه البخاري .