Philo Judaeus De Agricultura 95

[95] But we must explain what is the enigmatical meaning which he conceals under this prayer, the name of Dan, being interpreted, means "judgment;" therefore he here likens that power of the soul which investigates, and accurately examines, and distinguishes between, and, in some degree, decides on each part of the soul, to a dragon (and the dragon is an animal various in its movements, and exceedingly cunning, and ready to display its courage, and very powerful to repel those who begin acts of violence), but not to that friendly serpent, the counsellor of life, which is wont to be called Eve in his national language, but to the one made by Moses, of the material of brass, which, when those who had been bitten by the poisonous serpents, ¹ and who were at the point of death beheld, they are said to have lived and not to have died.