The Book of the Believer · Hadith 181 (#Ḥadīth #11)
Chapter 8 | What Allah (azwj) has Forbidden a Believer to do Against a Fellow Believer
181 - وعن أبي عبد الله عليه السلام أنه قال: لا تستخف بأخيك المؤمن فيرحمه الله عز وجل عند استخفافك، ويغير ما بك.
181. It has been narrated that Abu 'Abd Allah said: Do not belittle your brother-in-faith lest Allah [M.G] should show mercy to him while you are belittling him and your circumstances should change for worse.
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).