1 And God said “Let the earth bring forth the living creature after his kind, cattle and creeping things, and beast of the earth after his kind; and it was so.” The command of God advanced step by step and earth thus received her adornment. Yesterday it was said, “Let the waters produce moving things,” and today “let the earth bring forth the living creature.” Is the earth then alive? And are the mad-minded Manichæans right in giving it a soul? At these words “Let the earth bring forth,” it did not produce a germ contained in it, but He who gave the order at the same time gifted it with the grace and power to bring forth. When the earth had heard this command “Let the earth bring forth grass and the tree yielding fruit,” it was not grass that it had hidden in it that it caused to spring forth, it did not bring to the surface a palm tree, an oak, a cypress, hitherto kept back in its depths. It is the word of God which forms the nature of things created. “Let the earth bring forth;” that is to say not that she may bring forth that which she has but that she may acquire that which she lacks, when God gives her the power. Even so now, “Let the earth bring forth the living creature,” not the living creature that is contained in herself, but that which the command of God gives her. Further, the Manichæans contradict themselves, because if the earth has brought forth the life, she has left herself despoiled of life. Their execrable doctrine needs no demonstration.
But why did the waters receive the command to bring forth the moving creature that has life and the earth to bring forth the living creature? We conclude that, by their nature, swimming creatures appear only to have an imperfect life, because they live in the thick element of water. They are hard of hearing, and their sight is dull because they see through the water; they have no memory, no imagination, no idea of social intercourse. Thus divine language appears to indicate that, in aquatic animals, the carnal life originates their psychic movements, while in terrestrial animals, gifted with a more perfect life, the soul enjoys supreme authority. In fact the greater part of quadrupeds have more power of penetration in their senses; their apprehension of present objects is keen, and they keep all exact remembrance of the past. It seems therefore, that God, after the command given to the waters to bring forth moving creatures that have life, created simply living bodies for aquatic animals, while for terrestrial animals He commanded the soul to exist and to direct the body, showing thus that the inhabitants of the earth are gifted with greater vital force. Without doubt terrestrial animals are devoid of reason. At the same time how many affections of the soul each one of them expresses by the voice of nature! They express by cries their joy and sadness, recognition of what is familiar to them, the need of food, regret at being separated from their companions, and numberless emotions. Aquatic animals, on the contrary, are not only dumb; it is impossible to tame them, to teach them, to train them for man's society. “The ox knows his owner, and the ass his master's crib.” But the fish does not know who feeds him. The ass knows a familiar voice, he knows the road which he has often trodden, and even, if man loses his way, he sometimes serves him as a guide. His hearing is more acute than that of any other terrestrial animal. What animal of the sea can show so much rancour and resentment as the camel? The camel conceals its resentment for a long time after it has been struck, until it finds an opportunity, and then repays the wrong. Listen, you whose heart does not pardon, you who practise vengeance as a virtue; see what you resemble when you keep your anger for so long against your neighbour like a spark, hidden in the ashes, and only waiting for fuel to set your heart ablaze!
2. “Let the earth bring forth a living soul.” Why did the earth produce a living soul? So that you may make a difference between the soul of cattle and that of man. You will soon learn how the human soul was formed; hear now about the soul of creatures devoid of reason. Since, according to Scripture, “the life of every creature is in the blood,” as the blood when thickened changes into flesh, and flesh when corrupted decomposes into earth, so the soul of beasts is naturally an earthy substance. “Let the earth bring forth a living soul.” See the affinity of the soul with blood, of blood with flesh, of flesh with earth; and remounting in an inverse sense from the earth to the flesh, from the flesh to the blood, from the blood to the soul, you will find that the soul of beasts is earth. Do not suppose that it is older than the essence of their body, nor that it survives the dissolution of the flesh; avoid the nonsense of those arrogant philosophers who do not blush to liken their soul to that of a dog; who say that they have been formerly themselves women, shrubs, fish. Have they ever been fish? I do not know; but I do not fear to affirm that in their writings they show less sense than fish. “Let the earth bring forth the living creature.” Perhaps many of you ask why there is such a long silence in the middle of the rapid rush of my discourse. The more studious among my auditors will not be ignorant of the reason why words fail me. What! Have I not seen them look at each other, and make signs to make me look at them, and to remind me of what I have passed over? I have forgotten a part of the creation, and that one of the most considerable, and my discourse was almost finished without touching upon it. “Let the waters bring forth abundantly the moving creature that has life and fowl that may fly above the earth in the open firmament, of heaven.” I spoke of fish as long as eventide allowed: today we have passed to the examination of terrestrial animals; between the two, birds have escaped us. We are forgetful like travellers who unmindful of some important object, are obliged, although they be far on their road, to retrace their steps, punished for their negligence by the weariness of the journey. So we have to turn back. That which we have omitted is not to be despised. It is the third part of the animal creation, if indeed there are three kinds of animals, land, winged and water.
“Let the waters” it is said “bring forth abundantly moving creature that has life and fowl that may fly above the earth in the open firmament of heaven.” Why do the waters give birth also to birds? Because there is, so to say, a family link between the creatures that fly and those that swim. In the same way that fish cut the waters, using their fins to carry them forward and their tails to direct their movements round and round and straightforward, so we see birds float in the air by the help of their wings. Both endowed with the property of swimming, their common derivation from the waters has made them of one family. At the same time no bird is without feet, because finding all its food upon the earth it cannot do without their service. Rapacious birds have pointed claws to enable them to close on their prey; to the rest has been given the indispensable ministry of feet to seek their food and to provide for the other needs of life. There are a few who walk badly, whose feet are neither suitable for walking nor for preying. Among this number are swallows, incapable of walking and seeking their prey, and the birds called swifts who live on little insects carried about by the air. As to the swallow, its flight, which grazes the earth, fulfils the function of feet.
Source: Nine Homilies of Hexaemeron (New Advent)