9:5; that every operation of the mind has ceased; Ps.

146:4; that every emotion of the heart is suspended; Eccl.

9:6; and that there is neither work, nor device, nor knowledge, nor wisdom, in the grave, where they lie.Eccl.

9:10.
Whatever intelligence, therefore, comes to us professing to be one of our dead friends, comes claiming to be what, from the word of God, we know he is not.

But angels of God don't lie; therefore these are not the good angels.