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Request: Sura 25 Aya 35 to 35

وَلَقَدْ آتَيْنَا مُوسَى الْكِتَابَ وَجَعَلْنَا مَعَهُ أَخَاهُ هَارُونَ وَزِيرًا {35}
[Shakir 25:35] And certainly We gave Musa the Book and We appointed with him his brother Haroun an aider.
[Pickthal 25:35] We verily gave Moses the Scripture and placed with him his brother Aaron as henchman.
[Yusufali 25:35] (Before this,) We sent Moses The Book, and appointed his brother Aaron with him as minister;
[Pooya/Ali Commentary 25:35]

Refer to the commentary of Ta Ha : 9 to 98 for Musa and Harun and Muhammad and Ali, also refer to the commentary of al Baqarah : 51; Bara-at : 41 and Maryam : 53; and Ali Imran : 52 and 53 for dawat dhil ashirah in which Ali was appointed as the supporter and successor of the Holy Prophet right from the beginning of the open declaration of his prophethood.

Aqa Mahdi Puya says:

According to verse 5 of al Muzzammil the prophetic mission (receiving orders, instructions and revelations from Allah and conveying them to people) is a heavy burden or onerous responsibility because of which Musa asked for a supporter and his request was granted, and likewise Ali was given to Muhammad as said in verses 1 to 4 of al Inshirah. The verses of the Quran mentioned in this connection assert that the supporter should have the same qualities and purification of soul as the person who is supported has.

The Holy Prophet said:

"Ali is my brother here and in the hereafter. He is from me and I am from him. I and Ali are from the same light."