(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." (ID)
Reference (ID): Sunan an-Nasa'i 3988 (ID)
In-book reference (ID): Book 37, Hadith 23 (ID)
English translation (ID): Vol. 5, Book 37, Hadith 3993 (ID)