The Prophet ﷺ said to Ali, "You are to me as Harun was to Musa, except that there is no prophet after me."
حدثنا محمود بن غيلان حدثنا أبو أحمد حدثنا شريك عن عبد الله بن محمد بن عقيل
أن النبي ﷺ قال لعلي أنت مني بمنزلة هارون من موسى إلا أنه لا نبي بعدي
[Sahih]. Ahmad narrated it (3/338) from the hadith of Sharik, transmitted in this manner. The hadith has corroborating narrations in Bukhari (no. 4416) and Muslim (no. 2404) and others.There are also narrations on this subject from Saad [to be presented at no. 3730], Zayd bin Arqam [Tabarani (5/203, nos. 09, 5095)], Abu Hurairah [I did not find it], and Umm Salama [Abu Yaala (no. 6883) and Ibn Hibban (no. 2201)].