عن جرير بن عبد الله قال: قال رسول الله صلى الله عليه وسلم: لا يرحم الله من لا يرحم الناس (صحيح البخاري رقم 7376)

Hazrat Jareer bin ‘Abdillah (radhiyallahu ‘anhu) reports that Rasulullah (sallallahu ‘alaihi wasallam) said, “Allah Ta‘ala does not shower His mercy on those who do not show mercy (and kindness) to people.”