Philo Judaeus De Ebrietate 44

[44] for as the sun, when he has arisen, hides the stars, pouring forth his own light altogether over our sight, so also when the beams of the light-giving God, unmingled as they are, and entirely pure, and visible at the greatest distance, shone upon the eye of the soul, being comprehensible only by the intellect, then the ^{1 2} eye of the soul can see nothing else; for the knowledge of the living God having beamed upon it, out-dazzles everything else, so that even those things which are most brilliant by their own intrinsic light appear to be dark in comparison.