Hadith 4:21
Ibn Fudayl narrated to us, from Layth, from Mujahid, who said: "There are two traits, whoever preserves them, his fasting will be safe for him: backbiting and lying."
حدثنا أبن فضيل عن ليث عن مجاهد قال خصلتان من حفظهما سلم له صومه الغيبة والكذب