Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
ahmad:11199Abū Khālid al-Aḥmar > Ibn Abū Dhiʾb Fadhakarah Biʾisnādih And Maʿnāh Wazād Fīh > Wadhalik Qabl

[Machine] "To establish the prayer of fear, whether on foot or mounted." [Surah Al-Baqarah 2:239]  

أحمد:١١١٩٩حَدَّثَنَاهُ أَبُو خَالِدٍ الْأَحْمَرُ عَنِ ابْنِ أَبِي ذِئْبٍ فَذَكَرَهُ بِإِسْنَادِهِ وَمَعْنَاهُ وَزَادَ فِيهِ قَالَ وَذَلِكَ قَبْلَ

أَنْ يَنْزِلَ صَلَاةَ الْخَوْفِ فَرِجَالًا أَوْ رُكْبَانًا [البقرة 239]