Hadith 4:38
'Abd al-Wahhab al-Thaqafi narrated to us, from Humayd, from Anas, that Abu Talhah used to fast frequently during the time of the Messenger of Allah, peace and blessings of Allah be upon him. And he would not break his fast except due to illness.
حدثنا عبد الوهاب الثقفي عن حميد عن أنس ان أبا طلحة كان يكثر الصوم على عهد رسول الله صلى الله عليه وسلم وكان لا يفطر إلا من وجع