John 8:44
Ye are of your father the Devil, and what your father desireth ye are ready to do. He was a murderer from the beginning; and he abideth not in the truth, because there is no truth in him. When he speaketh a lie, he speaketh from his own nature; for he is a liar, and the father of it.
1 John 4:6
We are of God; he that knoweth God heareth us; he that is not of God heareth us not. Hereby know we the spirit of truth, and the spirit of error.
Revelation 12:9
And the great dragon was cast down, the old serpent, called the Devil and Satan, who deceiveth the whole world; he was cast down to the earth, and his angels were cast down with him.
Revelation 13:14
And he deceiveth them that dwell on the earth, by reason of the signs which it was given him to do in the presence of the beast; commanding those who dwell on the earth to make an image to the beast which had the wound by a sword, and lived.
Revelation 20:8
and will go out to deceive the nations which are in the four corners of the earth, Gog and Magog, to gather them together to the war, the number of whom is as the sand of the sea.