[46] therefore those persons are mere guessers who are anxious to contemplate the uncreated God through the medium of the things which he created, acting like those persons who seek to ascertain the nature of the unit through the number two, when they ought, on the other hand, to employ the investigation of the unit itself to ascertain the nature of the number two; for the unit is the first principle. But these men have arrived at the real truth, who form their ideas of God from God, of light from light.