Commentary on the Gospel According to John John Calvin
Commentary on John of Christ would not apply, "My word (he says) will judge, because it has not proceeded from man;" according to that saying, There is one lawgiver, who is able to save and to destroy, (James 4:12.)
We may likewise infer from it, how monstrous, is the sacrilege of the Pope in daring to bind souls by his inventions; for in this way he claims more for himself than the Son of God does, who declares that he does not speak but by the commandment of his Father.
50. And I know that his commandment is eternal life. He again applauds the fruit of his doctrine, that all may more willingly yield to it; and it is reasonable that wicked men should feel the vengeance of God, whom they now refuse to have as the Author of life.