If I had not come and spoken to them, they would not be guilty of sin. Now, however, they have no excuse for their sin.
Hatred marks the devil's kingdom as love marks Christ's. The world, those devoted to this world and its god, whether Jew or Gentile, forms one body against Him. But mark the difference: God's people, taught to hate the sins of sinners, still love their persons and do them good. A spiteful, malicious spirit belongs to the world, not to Christ.
AI summary
Commenting on John 15:18-25
(See on Joh 9:39-41). If I had not come and spoken unto them, they had not had sin--comparatively none; all other sins being light compared with the rejection of the Son of God. now they have no cloak for their sin--rather, "pretext."
22. If I had not come. He had said that the Jews regarded the Gospel with hatred, because they did not know God. Lest any one should think that this tended to alleviate their guilt, he adds, that it is through malice that they are blind, just as if one were to shut his eyes, that he might not be compelled to see the light.