[10] And what wonder is there if the living God is beyond the reach of the comprehension of man, when even the mind that is in each of us is [8] [9] [10] unintelligible and unknown to us? Who has ever beheld the essence of the soul? the obscure nature of which has given rise to an infinite number of contests among the sophists who have brought forward opposite opinions, some of which are inconsistent with any kind of nature.