(466) بَابُ التَّسْلِيمِ بِالْمَعْرِفَةِ وَغَيْرِهَا
'Abdullah ibn 'Amr reported that a man said, "Messenger of Allah,which aspect of Islam is best?" He replied, "Feeding people and greetingthose you know and those you do not know." (ID)
Reference (ID): Al-Adab Al-Mufrad 1013 (ID)
In-book reference (ID): Book 42, Hadith 50 (ID)
English translation (ID): Book 42, Hadith 1013 (ID)