(12) باب أَىُّ الإِسْلاَمِ خَيْرٌ
It was narrated from 'Abdullah bin 'Amr that:
A man asked the Messenger of Allah [SAW]: "What quality of Islam is best?" He said: "To feed (the poor) and to say the Salam to whomever one knows and whomever one does not know."
Reference: Sunan an-Nasa'i 5000
In-book reference: Book 47, Hadith 16
English translation: Vol. 6, Book 47, Hadith 5003