The Peak of Eloquence · Hadith 2090 (#Passage #449)

٣٦٤. وَقَالَ (عليه السلام): لَا تَسْأَلْ عَمَّا لَا يَكُونُ، فَفِي الَّذِي قَدْ كَانَ لَكَ شُغُلٌ.

364. Amīr al-mu’minīn, peace be upon him, said: Do not ask about things which may not happen because you have enough to worry about with what happens.

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