انتَ (یاعلیُّ) مِنّی بِمَنزِلَةِ هارونَ مِن موسی اِلّا اَنَّهُ لانَبیَّ بعدی
The Holy Prophet of Islam (saw) states: The position of you (O Ali) to me is like Haroun (Aaron) to Moses, except that there will be no prophet after me.
Sahih Muslim, vol. 4, p. 44
source : erfan.ir