حَدَّثَنَا مُحَمَّدُ بْنُ عِيسَى، حَدَّثَنَا ابْنُ عُلَيَّةَ، حَدَّثَنَا دَاوُدُ بْنُ أَبِي هِنْدٍ، حَدَّثَنِي …
The Prophet صلی اللہ علیہ وسلم as saying: If anyone prays in a day and a night twelve rak'ahs voluntarily (supererogatory prayer), a house will be built from him in Paradise on account of these (rak'ahs).