"He it is Who sent down As-Sakīnah (tranquillity and calmness) into the hearts of the believers..." (V.48:4)

Sahih al-Bukhari · Book 65 · Hadith 4839

حَدَّثَنَا عُبَيْدُ اللَّهِ بْنُ مُوسَى، عَنْ إِسْرَائِيلَ، عَنْ أَبِي إِسْحَاقَ، عَنِ الْبَرَاءِ ـ رضى الله عنه ـ قَالَ بَيْنَمَا رَجُلٌ مِنْ أَصْحَابِ النَّبِيِّ صلى الله عليه وسلم يَقْرَأُ، وَفَرَسٌ لَهُ مَرْبُوطٌ فِي الدَّارِ، فَجَعَلَ يَنْفِرُ، فَخَرَجَ الرَّجُلُ فَنَظَرَ فَلَمْ يَرَ شَيْئًا، وَجَعَلَ يَنْفِرُ، فَلَمَّا أَصْبَحَ ذَكَرَ ذَلِكَ لِلنَّبِيّ…

Narrated Al-Bara: While a man from the companions of the Prophet (ﷺ) was reciting (Qur'an) and his horse was tied in the house, the horse got startled and started jumping. The man came out, looked around but could not f…