Philo Judaeus Quod Deterius Potiori Insidiari Soleat 118

[118] This rock, Moses, in another place, using a synonymous expression, calls manna the most ancient word of God, by which appellation is understood, something of the most general possible nature, from which two cakes are made, one of honey and the other of oil, that is to say, two different systems of life, exceedingly difficult to distinguish from one another, both worthy of attention, at the very beginning instilling the sweetness of these contemplations which exist in the sciences, and again emitting the most brilliant light to those who take hold of the things which are the objects of their desire, not fastidiously, but firmly, and scarcely by means of unremitting and incessant perseverance. These then, as I ¹ have said before, are they who ascend up upon the strength of the earth.