(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." (ES)
Reference (ES): Jami` at-Tirmidhi 1395 (ES)
In-book reference (ES): Book 16, Hadith 10 (ES)
English translation (ES): Vol. 3, Book 14, Hadith 1395 (ES)