Abu Dharr narrated that the
Messenger of Allāh ﷺ said,
مَنْ صَامَ ثَلَاثَةَ أَيَّامٍ
مِنْ كُلِّ شَهْرٍ فَقَدْ صَامَ الدَّهْرَ كُلَّهُ
Whoever fasts three
days every month, will have fasted all the time.
Aḥmad, An-Nasā’ ī, and Ibn Majāh recorded this Ḥadīth, and this is Aḥmad wording.
SOURCE: Tafsīr Ibn Kathīr
(Abridged) Volume 3/535, Maktabah Dar-us-Salam
