De Sacrificiis Abelis Et Caini

And he brings not only the first fruits from the firstborn, but also from the fat; showing by this that whatever there is in the soul that is cheerful, or fat, or preservative and pleasant, might all be surrendered to God. And I see also in the arrangements established about sacrifices, that three things are enjoined to be offered from the victims; in the first place the fat, and the kidneys, and the lobe of the liver, about which we will speak separately; but not the brain or the heart which it seemed natural should be dedicated before the other parts, since, according to the language of the lawgiver, the dominant power is recognised as existing in one of them.