The Book of Divine Unity · Hadith 326 (#Ḥadīth #3)
Chapter 41 | He, the Mighty and High, in not Recognized, Except by Himself.
3 - حدثني أبي رحمه الله، قال: حدثنا سعد بن عبد الله، عن أحمد بن محمد بن عيسى، عن محمد بن أبي عمير، عن محمد بن حمران عن الفضل بن السكن، عن أبي - عبد الله عليه السلام قال: قال أمير المؤمنين عليه السلام: اعرفوا الله بالله والرسول بالرسالة وأولي الأمر بالمعروف والعدل والاحسان .
3. My father related to me that Sa`d ibn `Abd Allah said, on the authority of Ahmad ibn Muhammad ibn `Isa, on the authority of Muhammad ibn Abu `Umayr, on the authority of Muhammad ibn Humran, on the authority of al-Fadl ibn al-Sakan, on the authority of Abu `Abd Allah AS) that The Commander of the Faithful said: “Recognize Allah through Allah, the Messenger through the message, and the ones vested with authority [ulu al-amr] through their beneficence, justice, and good deeds.”
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).