‘Abd-Allāh ibn Mas‘ūd [may Allāh be pleased with him] said:
“The death of a scholar is a [huge, immense] loss, that cannot be replaced for as long as the day and night should alternate.”
Kitāb az-Zuhd | Page 262 | Al-Imām ibn Abi Āsim [may Allāh have mercy on him]
Translation: Authentic Quotes