The Peak of Eloquence · Hadith 1691 (#Passage #50)

٣٩. وَقَالَ (عليه السلام): لَا قُرْبَةَ بِالنَّوَافِلِ إِذَا أَضَرَّتْ بِالْفَرَائِضِ.

39. Amīr al-mu’minīn, peace he upon him, said: Supererogatory worship cannot bring about nearness to Allāh if it hampers the obligatory.

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