Oaths and Vows
Bulugh al-Maram #1578
كتاب الأيمان والنذور
وَعَنْ عُمَرَ - رضى الله عنه - قَالَ: "قُلْتُ: يَا رَسُولَ اَللَّهِ! إِنِّي نَذَرْتُ فِي اَلْجَاهِلِيَّةِ; أَنْ أَعْتَكِفَ لَيْلَةً فِي اَلْمَسْجِدِ اَلْحَرَامِ. قَالَ: "فَأَوْفِ بِنَذْرِكَ" مُتَّفَقٌ عَلَيْهِ وَزَادَ اَلْبُخَارِيُّ فِي رِوَايَةٍ "فَاعْتَكَفَ لَيْلَةً"
Narrated 'Umar (RA):
He said: I said: O Allah's Messenger (ﷺ), I made a vow in the Jahiliyya times to spend a night in devotion (I'tikaf) in the Sacred Mosque. He (the Prophet) said: “Fulfill your vow.”
. al-Bukhari added in another narration: “Then, spend a night in devotion (in the Sacred Mosque).”
وَعَنْ عُمَرَ - رضى الله عنه - قَالَ: "قُلْتُ: يَا رَسُولَ اَللَّهِ! إِنِّي نَذَرْتُ فِي اَلْجَاهِلِيَّةِ; أَنْ أَعْتَكِفَ لَيْلَةً فِي اَلْمَسْجِدِ اَلْحَرَامِ. قَالَ: "فَأَوْفِ بِنَذْرِكَ" مُتَّفَقٌ عَلَيْهِ وَزَادَ اَلْبُخَارِيُّ فِي رِوَايَةٍ "فَاعْتَكَفَ لَيْلَةً"
He said: I said: O Allah's Messenger (ﷺ), I made a vow in the Jahiliyya times to spend a night in devotion (I'tikaf) in the Sacred Mosque. He (the Prophet) said: "Fulfill your vow." . al-Bukhari added in another narration: "Then, spend a night in devotion (in the Sacred Mosque)."
— Bulugh al-Maram, Hadith 1578