Thomas CokeJohn 13:34. A new commandment I give— Our Lord calls this a new commandment, not because mutual love had never been enjoined on mankind before, but because it was a precept of peculiar excellence: for the word new, in the Hebrew language, denotes excellence and truth. See Psalms 33:3.Mark 1:27; Mark 1:27. Revelation 2:17. And the reason of the idiom seems to have been, that novelty often has the same effect upon the mind with excellence, rendering an object acceptable, and raising admiration.... read more
E.W. Bullinger's Companion Bible Notes - John 13:34
new. Greek. kainos. See note on Matthew 9:17 . read more