Ṣaḥīḥ al-Bukhārī
صَحِيحُ البُخَارِي
Considered to be the most authentic after the Qurʾān. Full name: al-Jāmiʿ al-Musnad al-Ṣaḥīḥ al-Mukhtaṣar min Umūr Rasūlallāh ﷺ wa-Sunnatihī wa-Ayyāmihī (الجامع المسند الصحيح المختصر من أمور رسول الله ﷺ وأيامه) (The Comprehensive Summarized Authentic Chains from the Affairs of the Messenger of Allah ﷺ, his Sunnah, and his Life and Times). Sources: sunnah.com for the Arabic text and English translation. The English translation has been improved by myself and other contributors.
Random ḥadīth in Bukhārī
The Prophet ﷺ used to recite: "Fahal-min-Maddakir (then is there any that will receive admonition?")
عَنِ النَّبِيِّ ﷺ أَنَّهُ كَانَ يَقْرَأُ {فَهَلْ مِنْ مُدَّكِرٍ}