John the Apostle
John 8:48BSB·traditional attribution

The Jews answered Him, “Are we not right to say that You are a Samaritan and You have a demon?”

John Calvin Reformed @genevareformer

48. Do we not say well? They show more and more how greatly they are stupified by Satan; for, though they are fully convicted, still they are enraged, and are not ashamed to show that they are utterly desperate. “Neantmoins, ils sont enragez, et n’ont pointe honte de se monstrer du tout desesperez.” Besides, though they bring a double reproach against Christ, still they wish...

Matthew Henry Presbyterian @wholebiblehenry

Here is, I. The malice of hell breaking out in the base language which the unbelieving Jews gave to our Lord Jesus. Hitherto they had cavilled at his doctrine, and had made invidious remarks upon it; but, having shown themselves uneasy when he complained (Joh 8:43, Joh 8:47) that they would not hear him, now at length they fall to downright railing, Joh 8:48.

Commenting on John 8:48-50

John Gill Reformed Baptist @doctorgill

Verily, verily, I say unto you,.... This is truth, and may be depended upon, as coming from the "Amen", and faithful witness: if a man keep my saying; or doctrine, receives the Gospel in the love of it, obeys it from his heart, and cordially embraces and firmly believes it; and retains and holds it fast, having a spiritual and comfortable experience of the doctrines...