The delight in doing evil from hatred, which breathes forth from hell, is a delight in killing. But as they cannot kill the body they wish to kill the spirit; and to kill the spirit is to take away spiritual life, which is the life of heaven. This makes clear that the commandment, "Thou shalt not kill," involves also thou shalt not hate thy neighbor, also thou shalt not hate the good of the church and its truth; for if one hates good and truth he hates the neighbor; and to hate is to wish to kill. This is why the devil, by whom hell in the whole complex is meant, is called by the Lord,
"A murderer from the beginning" (John viii, 44).
Since hatred, which is a desire to kill, is the opposite of love to the Lord and also of love toward the neighbor, and since these loves are what make heaven in man, it is evident that hatred, being thus opposite, is what makes hell in him. Nor is infernal fire anything else than hatred; and in consequence the hells appear to be in a fire with a dusky glow according to the quality and quantity of the hatred, and in a fire with a dusky flame according to the quantity and quality of the revenge from hatred.
Since hatred and love are direct opposites, and since hatred in consequence constitutes hell in man, just as love constitutes heaven in him, so the Lord teaches,
"If thou shalt offer thy gift upon the altar, and shalt there remember that thy brother hath aught against thee, leave there thy gift before the altar, and go; first be reconciled to they brother, and then coming offer thy gift. Be well disposed toward thine adversary whiles thou art in the way with him; lest haply the adversary deliver thee to the judge, and the judge deliver thee to the officer, and thou be cast into prison. Verily, I say unto thee, Thou shalt not come out thence till thou hast paid the uttermost farthing" (Matt. v. 23-26).
To be delivered to the judge, and by the judge to the officer, and by him to be cast into prison, depicts the state of the man who is in hatred after death from his having been in hatred against his brother in the world, "prison" meaning hell, and "paying the uttermost farthing" signifying the punishment that is called the fire everlasting. (A.E., n. 1015.)
Since hatred is infernal fire it is clear that it must be put away before love, which is heavenly fire, can flow in, and by light from itself give life to man; and this infernal fire can in no wise be put away unless man knows whence hatred is and what it is, and afterward turns away from it and shuns it. There is in every man by inheritance a hatred against the neighbor; for every man is born into a love of self and of the world, and in consequence conceives hatred, and from it is inflamed against all who do not make one with him and favor his love, especially against those who oppose his lusts. For no one can love himself above all things and love the Lord at the same time; neither can anyone love the world above all things and love the neighbor at the same time; since no one can serve two masters at the same time without despising and hating the one while he honors and loves the other. Hatred is especially in those who are in a love of ruling over all; with others it is unfriendliness.
It shall be told what hatred is. Hatred has in itself a fire which is an endeavor to kill man. That fire is manifested in anger. There is a seeming hatred and consequent anger in the good against evil; but this is not hatred, but an aversion to evil; neither is it anger, but a zeal for good in which heavenly fire inwardly lies concealed. For the good turn away from what is evil, and are seemingly angry at the neighbor, in order that they may remove the evil; and thus they have regard to the neighbor's good. (A.E., n. 1016.)
When a man abstains from hatred and turns away from it and shuns it as devilish, love, charity, mercy, clemency flow in through heaven from the Lord, and then for the first time the works that he does are works of love and charity; while the works he had done before, however good might be their appearance in the external form, were all works of love of self and of the world, in which hatred lurked whenever they were not rewarded. So long as hatred is not put away so long man is merely natural; and the merely natural man remains in all his inherited evil, nor can he become spiritual until hatred, with its root, which is love of ruling over all, is put away; for the fire of heaven, which is spiritual love, cannot flow in so long as the fire of hell, which is hatred, stands in the way and shuts it out. (A.E., n. 1017.)
VIII. The Eighth Commandment