John the Apostle
John 12:48BSB·traditional attribution

There is a judge for the one who rejects Me and does not receive My words: The word that I have spoken will judge him on the last day.

John Calvin Reformed @genevareformer

48. He who rejecteth me. That wicked men may not flatter themselves as if their unbounded disobedience to Christ would pass unpunished, he, adds here a dreadful threatening, that though he were to do nothing in this matter, yet his doctrine alone would be sufficient to condemn them, as he says elsewhere, that there would be no need of any other judge than Moses, in...

Matthew Henry Presbyterian @wholebiblehenry

We have here the honour Christ not assumed, but asserted, to himself, in the account he gave of his mission and his errand into the world. Probably this discourse was not at the same time with that before (for them he departed, Joh 12:36), but some time after, when he made another public appearance; and, as this evangelist records it, it was Christ's farewell sermon...

Commenting on John 12:44-50

John Gill Reformed Baptist @doctorgill

And I know that his commandment is life everlasting,.... By "his commandment" is not meant the law; that indeed is often styled the commandment; and it is the commandment of God; and many excellent things are said of it; and among the rest it is called "life", Deu 30:15, but not everlasting life: it only promised a continuation of natural life to man, on condition...