The Book of the Believer · Hadith 15 (#Ḥadīth #15)
Chapter 1 | The Severity of a Believer’s Afflictions
15 - عن إسحاق بن عمار قال: سمعت أبا عبد الله (ع) يقول رأسُ طاعة الله (جلّ جلاله) الرضا بما صنعَ الله إلى العبد فيما أحبَّ وفيما كرِهَ، ولم يصنع الله بعبد شيئاً إلاّ وهو خير
15. It has been narrated that Ishaq ibn 'Ammar said: I heard Abu 'Abd Allah saying: The root of obedience to Allah is to be content with whatever Allah does to a person regardless of what he likes or dislikes. And whatever Allah does for a servant is always good
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).