Sunan Ibn Majah 1704

It was narrated from ‘Abdullah bin Shikhkhir that his father said: “The Prophet (ﷺ) said: ‘Whoever fasts continually, he neither fasts nor breaks his fast.’” ..

It was narrated from ‘Abdullah bin ‘Amr that the Messenger of Allah (ﷺ) said: “There is no fasting for one who fasts continually.” ..

It was narrated from ‘Abdul-Malik bin Minhal, from his father that: The Messenger of Allah (ﷺ) used to enjoin fasting the bright days – the thirteenth, fourteenth and fifteenth (when the moon is full). He said: “It is like fasting for a lifetime.” ..

It was narrated from Abu Dharr that the Messenger of Allah (ﷺ) said: “Whoever fasts three days in every month, that is fasting for a lifetime.” Then, in testimony of that, Allah revealed: “Whoever brings a good deed shall have ten time the like..

It was narrated from Mu’adhah Al-‘Adawiyyah that ‘Aishah said: “The Messenger of Allah (ﷺ) used to fast three days of each month.” I said: “Which were they?” She said: “He did not care which days they were.” ..

It was narrated that Abu Salamah said: “I asked ‘Aishah about the fasting of the Prophet (ﷺ). She said: ‘He used to fast until we thought he would always fast. And he used to not fast until we thought he would always not fast. I never saw him fast..