صَحِيحُ مُسْلِمٍ
Sahih Muslim 635 a
The Book of Mosques and Places of Prayer
The virtue of the Subh and the `Asr prayers, and of maintaining them
وَحَدَّثَنَا هَدَّابُ بْنُ خَالِدٍ الأَزْدِيُّ، حَدَّثَنَا هَمَّامُ بْنُ يَحْيَى، حَدَّثَنِي أَبُو جَمْرَةَ الضُّبَعِيُّ، عَنْ أَبِي بَكْرٍ، عَنْ أَبِيهِ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ مَنْ صَلَّى الْبَرْدَيْنِ دَخَلَ الْجَنَّةَ .
Abu Bakr reported on the authority of his father that the Messenger of Allah (ﷺ) said: He who observed two prayers at two cool (hours) would enter Paradise.
Sahih Muslim, 635 aSahihصحيح