Deut 13:1-3 (NIV) If a
prophet, or one who foretells by dreams,
appears among you and announces to you a
miraculous sign or wonder, 2 and if the sign
or wonder of which he has spoken takes place,
and he says, "Let us follow other gods"
(gods you have not known) "and let us
worship them," 3 you must not listen to the words of
that prophet or dreamer. The LORD your God
is testing you to find out whether you
love him with all your heart and with all your
soul.