Hadith 4:120
8986. Sahl ibn Yusuf narrated to us, from al-Awwam, who said: I said to Mujahid, "Which of those is more pleasing to you?" He said, "If you are able to fast, then fasting is more pleasing to me."
حدثنا سهل بن يوسف عن العوام قال قلت لمجاهد أي ذلك أعجب إليك قال إذا كنت تطيق الصوم فالصوم اعجب الي