(7) باب مَا جَاءَ فِي تَشْدِيدِ قَتْلِ الْمُؤْمِنِ .
Narrated 'Abdullah bin 'Amr:
that the Prophet (ﷺ) said: "The world ceases to exist is less significant to Allah than killing a Muslim man." (ID)
Reference (ID): Jami` at-Tirmidhi 1395 (ID)
In-book reference (ID): Book 16, Hadith 10 (ID)
English translation (ID): Vol. 3, Book 14, Hadith 1395 (ID)