The Peak of Eloquence · Hadith 1292 (#Passage #101)

آمَرَهُ بِتَقْوَى اللهِ فِي سَرَائِرِ أُمُورِهِ وَخَفِيَّاتِ عَمَلِهِ، حَيْثُ لَا شَهِيدَ غَيْرُهُ، وَلَا وَكِيلَ دُونَهُ.

He (Amīr al-mu’minīn) ordered him to fear Allāh in his secret matters and hidden actions, where there is no witness except He and no one watches save He.

Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).