They did not understand that He was telling them about the Father.
27. They did not know that he spoke to them about the Father. Hence we see how stupid those men are whose understandings are possessed by Satan. Nothing could be more plain than that they were summoned to the judgment-seat of God. But what then? They are altogether blind. This happens daily to other enemies of the Gospel; and such blindness ought to instruct us to walk with fear.
Christ here gives fair warning to the careless unbelieving Jews to consider what would be the consequence of their infidelity, that they might prevent it before it was too late; for he spoke words of terror as well as words of grace. Observe here, I. The wrath threatened (Joh 8:21): Jesus said again unto them that which might be likely to do them good.
Commenting on John 8:21-30
As he spake these words,.... Concerning his being lifted up, or his crucifixion, and the knowledge the Jews should then have of him; of the excellency and divinity of his doctrine, of his mission from the Father, and of the Father's presence with him, and of his always doing the things that are pleasing in his sight; which were spoken by him with majesty and...