Book VIII of Antiquities of the Jews:
Now the sagacity and wisdom which God had bestowed on Solomon was so great, that he exceeded the ancients; [….] God also enabled him to learn that skill which expels demons, which is a science useful and sanative to men. He composed such incantations also by which distempers are alleviated. And he left behind him the manner of using exorcisms, by which they drive away demons, so that they never return; and this method of cure is of great force unto this day; for I have seen a certain man of my own country, whose name was Eleazar, releasing people that w…