If it becomes clear that this knowledge is restricted to Allah and is intrinsic and spontaneous within Him, and for the Messenger, it is by learning and acquisition, and that the Commander of the Faithful was not a messenger taught by revelation, it is therefore established that he is Allah and that his knowledge of the unseen is intrinsic and spontaneous.
This is bearing in mind that what the Messenger knew of it was merely an introduced portion and a drop from an ocean, and that our Master, the Commander of the Faithful, explicitly stated repeatedly in his sermons that he knows the unseen in its entirety. It came in the address of the Exalted to His Messenger (exalted be his might) instructing him to say:
"Say, [O Muhammad], 'I do not tell you that I have the depositories of Allah or that I know the unseen, nor do I tell you that I am an angel. I only follow what is revealed to me.' Say, 'Is the blind equivalent to the seeing? Then will you not give thought?'] 1
And it came upon the tongue of Noah (exalted be his might) in Surah Hud: