Semantics of theology in verses and narrations

Qoran in 43th vers of Raad Sura has spoken abaut a man Who is the confirm of profhetic mission through holding the knowledge of universe. Sunnaite ulema called it as the knowledge of Old Testament and Bible and annaounced that its holders include Jewish and Christian and Muslims. Also the Shiaa ulema considering Meccan Sura and traditions called it the specific knowledge which can be the confimer of prophetic mission and at first step reserve toImam ali and others after him. Quran outlined three steps for divine knowledge which its two steps of prefect human and the other one is specific to the natur of Allah. The knowledge of profect human is accessible through reaching the heart of Qoran and grand name and that knowledge is essential for human to reach Imamate.