(2) باب تَعْظِيمِ الدَّمِ
It was narrated that 'Abdullah bin 'Amr bin Al-'As said:
"The Messenger of Allah [SAW] said: 'By the One in Whose Hand is my soul, killing a believer is more grievous before Allah than the extinction of the whole world.'" (FR)
Reference (FR): Sunan an-Nasa'i 3986 (FR)
In-book reference (FR): Book 37, Hadith 21 (FR)
English translation (FR): Vol. 5, Book 37, Hadith 3991 (FR)