He also determined concerning animals; which of them might be used for food, and which they were obliged to abstain from; which matters, when this work shall give me occasion, shall be further explained; and the causes shall be added by which he was moved to allot some of them to be our food, and enjoined us to abstain from others. However, he entirely forbade us the use of blood for food, and esteemed it to contain the soul and spirit. He also forbade us to eat the flesh of an animal that died of itself, as also the caul, and the fat of goats, and sheep, and bulls.