Deuteronomy 13:3

“Thou shall not hearken to the words of that prophet, or that dreamer of dreams, etc.] Even though he does give the sign, and work the wonder; for it might be reasonably concluded there must be fallacy in him, and that neither he nor his miraculous sign could come from God, who would never send a person to enable him to do signs and wonders, to persuade men to believe and act contrary to a former declaration of his mind and will; to break a plain law of his, as in (<050507>Deuteronomy 5:7-9), this would be to contradict and deny himself; whatever therefore is contrary to a known law or established doctrine, either of law or Gospel, let it come from whom it will, or pretend to be confirmed by…”

“Thou shalt not hearken to that prophet - Not receive his doctrine, though the sign come to pass. For although when such a sign or wonder foretold did not follow or come to pass, it was a sign of a false prophet, yet when it did come to pass, it was no sufficient sign of a true one, especially, in such a case. There are many things, which may be wrought by evil spirits, God so permitting it for wise and just reasons, not only for the trial of the good, but also for the punishment of ungodly men. Proveth you - That is, trieth your faith and love and obedience. To know - Namely, judicially, or in a publick manner, so as both you and others may know and see it, that so the justice of his…”

“hearken: Isa 8:20; Act 17:11; Eph 4:14; Jo1 4:1 proveth: Deu 8:2; Psa 66:10, Psa 81:7; Mat 24:24; Co1 11:19; Th2 2:11; Jo1 2:19, Jo1 4:4; Rev 13:14 ye love the Lord your God: Deu 6:5; Co2 8:8 Deuteronomy 13:4”