De Sacrificiis Abelis Et Caini
Philo Judaeus
The works of Philo Judaeus, the contemporary of Josephus, volume 1. Yonge, C. D., translator. London: Henry G. Bohn, 1854.
For, as it is impossible to see without light, since neither colours nor eyes are sufficient for the comprehension of things which we arrive at by means of sight (for nature has made light beforehand to serve as a link to connect the two, by which the eye is brought near and adapted to colour, for the powers of both eye and of colour are equally useless in darkness), so in the same manner is the eye of the soul unable to comprehend anything whatever of the actions in accordance with virtue, unless it takes to itself labour as a coadjutor, as the eye borrows the assistance of light; for this, being placed in the middle, between the intellect and the good object which the intellect desires, and understanding the whole nature of both the one and the other, does itself