"I heard the Messenger of Allah say: "Whoever fasts three days of each month has fasted the month in full' or 'will have (the reward of) fasting the month."' 'Asim was in doubt.  

سَمِعْتُ رَسُولَ اللَّهِ ﷺ يَقُولُ مَنْ صَامَ ثَلاَثَةَ أَيَّامٍ مِنْ كُلِّ شَهْرٍ فَقَدْ تَمَّ صَوْمُ الشَّهْرِ أَوْ فَلَهُ صَوْمُ الشَّهْرِ شَكَّ عَاصِمٌ  

[Machine] The Messenger of Allah, ﷺ , said: "Fasting three days of every month is fasting for a lifetime, and their sunset is the breaking of the fast."  

قَالَ رَسُولُ اللهِ ﷺ صِيَامُ ثَلَاثَةِ أَيَّامٍ مِنْ كُلِّ شَهْرٍ صِيَامُ الدَّهْرِ وَإِفْطَارُهُ  

[Machine] The Prophet ﷺ said, "Whoever fasts three days of every month has fasted the entire year."  

عَنِ النَّبِيِّ ﷺ قَالَ مَنْ صَامَ ثَلَاثَةَ أَيَّامٍ مِنْ كُلِّ شَهْرٍ فَقَدْ صَامَ الدَّهْرَ كُلَّهُ  

[Machine] The Messenger of Allah ﷺ said, "Fasting for three days every month is fasting for the entire lifetime, and its reward is equivalent to that of fasting the whole year, and the reward of its breaking the fast."  

قَالَ رَسُولُ اللهِ ﷺ صِيَامُ ثَلَاثَةِ أَيَّامٍ مِنْ كُلِّ شَهْرٍ صِيَامُ الدَّهْرِ وَإِفْطَارُهُ  

[Machine] From the Prophet ﷺ said: "Fasting three days in every month is the fasting of a lifetime and its regular observance."  

عَنِ النَّبِيِّ ﷺ قَالَ «صَوْمُ ثَلَاثَةِ أَيَّامٍ مِنْ كُلِّ شَهْرٍ صِيَامُ الدَّهْرِ وَقِيَامُهُ»  

[Machine] On the authority of the Prophet ﷺ who said, "The fasting is good. The fasting of three days each month is (equivalent to) continuous fasting."  

عَنِ النَّبِيِّ ﷺ قَالَ «صِيَامٌ حَسَنٌ صِيَامُ ثَلَاثَةِ أَيَّامٍ مِنْ كُلِّ شَهْرٍ»  

[Machine] And he said, "Fasting for three days every month."  

وَقَالَ «صَوْمُ ثَلَاثَةِ أَيَّامٍ مِنْ كُلِّ شَهْرٍ»  

"I heard the Messenger of Allah say: "Whoever fasts three days of each month has fasted the month in full' or 'will have (the reward of) fasting the month."' 'Asim was in doubt. (Using translation from Nasāʾī 2410)  

سَمِعْتُ رَسُولَ اللهِ ﷺ يَقُولُ «مَنْ صَامَ ثَلَاثَةَ أَيَّامٍ مِنْ كُلِّ شَهْرٍ فَقَدْ تَمَّ لَهُ صَوْمُ الشَّهْرِ أَوْ فَلَهُ صَوْمُ الشَّهْرِ» شَكَّ عَاصِمٌ  

The Messenger of Allah ﷺ used to fast three days every month. (Using translation from Abū Dāʾūd 2450)   

أَنَّ رَسُولَ اللهِ ﷺ كَانَ يَصُومُ ثَلَاثَةَ أَيَّامٍ مِنْ غُرَّةِ كُلِّ شَهْرٍ  

"مَنْ صَامَ ثَلاثةَ أَيَّامٍ مِنْ كُلِّ شَهْرٍ، فَقَدْ صَامَ الدَّهرَ كلَّهُ".  

"شَهْرُ الصَّبْرِ وَثَلَاثَةُ أَيَّامٍ مِنْ كُلِّ شَهْرٍ (صَومُ الدَّهْرِ) ".  

"صِيَامُ ثَلَاثَةِ أَيامٍ مِنْ كُلِّ شَهْرٍ صِيَامُ الدَّهْرِ".  

"صِيَامٌ حَسَنٌ: صِيَام ثَلَاثَةِ أَيَّامٍ مِنَ الشَّهْرِ، وَفى لَفْظٍ "مِنْ كُلِّ شَهْرٍ".  

"صَوْمُ شَهْرِ الصبر وثلاثةِ أَيام من كل شهر صوم الدهر".  

"عَنْ مُعَاذِ بْنِ جَبَلٍ قَالَ: صَوْمُ ثَلاثَةِ أَيَّامٍ مِنْ كُلِّ شَهْرٍ صَوْمُ الدَّهْرِ كُلِّهِ".