Mutarrif bin 'Abdullah bin Ash-Shikhkhir narrated from his father that:
the Messenger of Allah said, concerning one who fasted for the rest of his life: He neither fasted nor broke his 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.