“But this cometh to pass, that the word might be fulfilled that is written in their law, They hated me without a cause.”
John 15:25 — Greek Interlinear
Church Fathers on John 15:25
Then by way of another consolation, He declares the injustice of these persecutions both towards Him had them. If I had not come and spoken to them, they had not had sin.
Christ spoke to the Jews only, not to any other nation. In them then was that world which hated Christ and His disciples; and not only in them, but in us also. Were the Jews then without sin before Christ came in the flesh, because Christ had not spoken to them? By sin here He means not every sin, but a certain great sin, which includes all, and which alone hinders the remission of other sins, viz. unbelief. They did not believe in Christ, who came that they might believe in…
For as he who loves the Son, loves the Father also, the love of the Father being one with that of the Son, even as their nature is one: so he who hates the Son, hates the Father also.