Where does the Bible inform us who wrote the Book of Acts?

On a roll, Mr. Ray?

The wheel is turning, but the hamster is dead.

"All scripture is inspired by God" and as His authorship alone is necessary to sola scriptura.......

Mr. Ray has proven once again:

"If you see two people talking and one looks bored, he's the other one."

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The times of this ignorance God winked at; but now commandeth all men every where to repent:

Behold, I stand at the door, and knock: if any man hear my voice, and open the door, I will come in to him, and will sup with him, and he with me.-kjv