The Peak of Eloquence · Hadith 1703 (#Passage #62)

٤٨. وَقَالَ (عليه السلام): الظَّفَرُ بالْحَزْمِ، وَالْحَزْمُ بِإِجَالَةِ الرَّأْيِ، وَالرَّأْيُ بِتَحْصِينِ الْأَسْرَارِ.

48. Amīr al-mu’minīn, peace be upon him, said: Victory is by determination; determination is by the turning over of thoughts; and thoughts are formed by guarding secrets.

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