Surely the earth, which we see full of its own living creatures, is one; but for all that, it is but a mighty mass among the elements, and the lowest part of the world. Why, then, would they have it to be a goddess? Is it because it is fruitful? Why, then, are not men rather held to be gods, who render it fruitful by cultivating it; but though they plough it, do not adore it? But, say they, the part of the soul of the world which pervades it makes it a goddess. As if it were not a far more evident thing, nay, a thing which is not called in question, that there is a soul in man. And yet men are not held to be gods, but (a thing to be sadly lamented), with wonderful and pitiful delusion, are subjected to those who are not gods, and than whom they themselves are better, as the objects of deserved worship and adoration. And certainly the same Varro, in the book concerning the select gods, affirms that there are three grades of soul in universal nature. One which pervades all the living parts of the body, and has not sensation, but only the power of life,--that principle which penetrates into the bones, nails, and hair. By this principle in the world trees are nourished, and grow without being possessed of sensation, and live in a manner peculiar to themselves. The second grade of soul is that in which there is sensation. This principle penetrates into the eyes, ears, nostrils, mouth, and the organs of sensation. The third grade of soul is the highest, and is called mind, where intelligence has its throne. This grade of soul no mortal creatures except man are possessed of. Now this part of the soul of the world, Varro says, is called God, and in us is called Genius. And the stones and earth in the world, which we see, and which are not pervaded by the power of sensation, are, as it were, the bones and nails of God. Again, the sun, moon, and stars, which we perceive, and by which He perceives, are His organs of perception. Moreover, the ether is His mind; and by the virtue which is in it, which penetrates into the stars, it also makes them gods; and because it penetrates through them into the earth, it makes it the goddess Tellus, whence again it enters and permeates the sea and ocean, making them the god Neptune.