Commentary on Harmony of the Law Volume 2 Complete John Calvin
JOHN CALVIN
For He does not there, as some have ignorantly supposed, frame t~ new law, as if to east blame upon His Father; but shows the folly and perversity of those interpreters of the Law who only insist on the external appearance, and husk of things, as is vulgarly said; since the doctrine of God must rather be estimated from a due consideration of. His nature. Before earthly judges, if a man have carried a weapon for the purpose of killing a man, he is found guilty of violence; and God, who is a spiritual Lawgiver, goes even further. With Him, therefore, anger is accounted murder; yea, inasmuch as He pierces even to the most secret feelings, He holds even concealed hatred to be murder; for so we must understand John's words, "Whosoever hateth his brother is a murderer," (1 John 3:15;) i.e., hatred conceived in the heart is sufficient for his condemnation, although it may not openly appear.
The Exposition of the Commandment
Leviticus 19:17
Leviticus 19
Leviticus 19:17
17. Thou shalt not hate thy brother in thine heart.
17. Ne oderis fratrem tuum in corde tuo.
I doubt not but that this part of the verse should be taken separately, nor do I approve of the introduction of the adversative particle but, by which translators 15 connect it with what follows. We know that we are not always to trust to the division of verses; and, since it is clear that whatever precepts we meet with in the writings of Moses for the regulation of our lives depend on the Decalogue, this sentence sufficiently proves that murder was forbidden, not only in order that none should slay his brother by his ]land, or by a weapon, but also that he should not indulge in wrong-doing, by cherishing in himself hatred and ill-will. Hence the statement of Paul is confirmed, that "the Law is spiritual," (Romans 7:14;) and their folly is refuted who pretend that Moses was an earthly lawgiver to the Jews, like Lycurgus or Solon, since he thus penetrates even to the secret affections. It is also probable that John derived from this passage his saying, "He that hateth his brother is a murderer," (1 John 3:15;) for the word heart is here
So in V. "Non oderis fratrem tuum in corde tuo, sed publice argue eum," etc.