صحيح مسلم
Sahih Muslim
كتاب القسامة
The Book of Oaths
باب نَذْرِ الْكَافِرِ وَمَا يَفْعَلُ فِيهِ إِذَا أَسْلَمَ:
Chapter: The vow of a disbeliever, and what he should do about it if he becomes a muslim
Hadith 1656
This hadith is listed as number 4292 in Maktaba Shamila
حَدَّثَنَا مُحَمَّدُ بْنُ أَبِي بَكْرٍ الْمُقَدَّمِيُّ ، وَمُحَمَّدُ بْنُ الْمُثَنَّى ، وَزُهَيْرُ بْنُ حَرْبٍ وَاللَّفْظُ لِزُهَيْرٍ ، قَالُوا : حَدَّثَنَا يَحْيَى وَهُوَ ابْنُ سَعِيدٍ الْقَطَّانُ ، عَنْ عُبَيْدِ اللَّهِ ، قَالَ : أَخْبَرَنِي نَافِعٌ ، عَنْ ابْنِ عُمَرَ : " أَنَّ عُمَرَ ، قَالَ : يَا رَسُولَ اللَّهِ ، إِنِّي نَذَرْتُ فِي الْجَاهِلِيَّةِ أَنْ أَعْتَكِفَ لَيْلَةً فِي الْمَسْجِدِ الْحَرَامِ ، قَالَ : فَأَوْفِ بِنَذْرِكَ " ،
Book 015, Number 4072: Ibn 'Umar reported that Umar (b. Khattab) said: Messenger of Allah, I had taken a vow during the days of Ignorance (Jahiliyya) that I would observe I'tikaf for a night in the Sacred Mosque. He (the Holy Prophet) said: Fulfil your vow.
