Narrator: Abdullah ibn Amr (r.a.)
Numbering: Sunnah.com
حَدَّثَنَا عَمْرُو بْنُ خَالِدٍ، قَالَ حَدَّثَنَا اللَّيْثُ، عَنْ يَزِيدَ، عَنْ أَبِي الْخَيْرِ، عَنْ عَبْدِ اللَّهِ بْنِ عَمْرٍو رضى الله عنهما أَنَّ رَجُلاً، سَأَلَ النَّبِيَّ صلى الله عليه وسلم أَىُّ الإِسْلاَمِ خَيْرٌ قَالَ تُطْعِمُ الطَّعَامَ، وَتَقْرَأُ السَّلاَمَ عَلَى مَنْ عَرَفْتَ وَمَنْ لَمْ تَعْرِفْ .
A man asked the Prophet (peace be upon him): “Which of the deeds of Islam is best?” He replied: “That you feed others, and that you greet with salam those you know and those you do not know.”
Grade
Sahih al-Bukhari 12
Narrated in Sahih al-Bukhari, so it needs no individual grading badge.