Charles Spurgeon Commentary John 8:28

"Jesus therefore said, When ye have lifted up the Son of man, then shall ye know that I am [he], and [that] I do nothing of myself, but as the Father taught me, I speak these things." — John 8:28 (ASV)

When ye have lifted up the Son of man, then shall ye know that I am he, and that I do nothing of myself; but as my Father hath taught me, I speak these things.

Blessed be God, there were many, after the crucifixion of Christ, who did believe in him! Yet, alas! in others, the blindness of heart continued, and they would not see the Messiah in him who was crucified. We, who believe in the uplifted Saviour, can see the Father in the Son; and to us, faith has become a most blessed thing; and we know that he does nothing of himself, and that as the Father has taught him, so he speaks.

Then said Jesus unto them.

That is, to the Jews who were questioning and opposing him.

Then they reviled him,—

That is the usual way with the men of the world; when they cannot beat a man in argument, they begin to call him bad names: "They reviled him,"—