al-Hasan bin Musa al-'Ashayb الحسن بن موسى الأشيب · The Book of Fasting

"The Messenger of Allah said: 'The one who fasts every day of his life has neither fasted, nor broken the fast."' 'Ata said: "someone who heard him told me that Ibn 'Umar (said) that the Prophet said: 'Whoever fasts every day of his life, then he has not fasted."