On the Giants (54-55)

Thus also Moses, having fixed his tent outside of the tabernacle and outside of all the corporeal army, [*] that is to say, having established his mind so that it should not move, begins to worship God, and having entered into the darkness, that invisible country, remains there, performing the most sacred mysteries; and he becomes, not merely an initiated man, but also an hierophant of mysteries and a teacher of divine things, which he will explain to those whose ears are purified;

therefore the divine spirit is always standing by him, conducting him in every right way: but from other men, as I have said before, it very soon separates itself, and completes their life in the number of a hundred and twenty years. For God says, "their days shall be an hundred and twenty years;" [*]