[62] Now to these disciples, that principal assertion in the sacred oracles is especially well adapted, that "God is not as man," but neither is he as heaven, nor as the world; for these species are endued with distinctive qualities, and they come under the perception of the outward senses. But he is not even comprehensible by the intellect, except merely as to his essence; for his existence, indeed, is a fact which we do comprehend concerning him, but beyond the fact of his existence, we can understand nothing.