The Peak of Eloquence · Hadith 2151 (#Passage #510)

٤٠٩. وَقَالَ (عليه السلام): الْقَلْبُ مُصْحَفُ الْبَصَرِ.

409. Amīr al-mu’minīn, peace be upon him, said: The heart is the book of the eye.

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