(1) باب ذِكْرِ أَفْضَلِ الأَعْمَالِ
It was narrated from Abu Hurairah that:
The Messenger of Allah [SAW] was asked: "Which deed is best?" "He said: Faith in Allah [SWT] and His messenger [SAW]." (TH)
Reference (TH): Sunan an-Nasa'i 4985 (TH)
In-book reference (TH): Book 47, Hadith 1 (TH)
English translation (TH): Vol. 6, Book 47, Hadith 4988 (TH)