[85] For God made man, the only heavenly plant of those which he placed upon the earth, fastening the heads of the others in the mainland, for all of them bend their heads downwards;" [59] but the face of man he has exalted and directed upwards, that it might have its food of a heavenly and incorruptible nature, and not earthly and perishable. With a view to which, he also rooted in the earth the foundations of our body, removing the most insensible part of it as far as possible from reason; and the outward senses, which are as it were the body-guards of the mind, and the mind itself, he established at a great distance from the earth, and from all things connected with it, and bound it with the periodical revolutions of the air and of the heavens, which are imperishable.