(2) باب تَعْظِيمِ الدَّمِ
It was narrated that 'Abdullah bin 'Amr said:
"Killing a believer is more grievous before Allah than the extinction of the whole world." (FR)
Reference (FR): Sunan an-Nasa'i 3989 (FR)
In-book reference (FR): Book 37, Hadith 24 (FR)
English translation (FR): Vol. 5, Book 37, Hadith 3994 (FR)