Confused while I'm doing the knowledge, but my God said choose
I choose you, who do you choose?
I hope it ain't me, cause I'm just an MC

from Blu (Ft. Exile) – A Man Lyrics on Rap Genius

Blu is using himself as an example. The reason you shouldn’t believe in him is because he’s a man which is how he makes his song come full circle
Blu is a man, don’t choose him
Religion was created by man, don’t choose it.

Even though Blu is still only learning, he’s made a choice. He believes in the Creator. Everyone may chose other names for this Creator but it’s all the same thing. Blu hopes you don’t choose him, because he knows he’s just “A Man”.

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