A Comprehensive Compilation of Reliable Narrations · Hadith 159 (#Ḥadīth #4)

[4/97] الخصال: في حديث الأربعمائة: قال أمير المؤمنين عليه السلام: من كان على يقين فشك فليمض على يقينه فان الشك لا ينقض اليقين

4. [4/97] al-Khisal: In the ‘Four Hundred’ Narration: the commander of the faithful عليه السلام said: whoever is upon certainty – and then doubts – should continue upon his certainty for doubt does not override certainty.

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