Jamieson, Fausset and Brown on Matthew 5:43

43. Ye have heard that it hath been said--(Le 19:18).

Thou shalt love thy neighbour--To this the corrupt teachers added,

and hate thine enemy--as if the one were a legitimate inference from the other, instead of being a detestable gloss, as Bengel indignantly calls it. Lightfoot quotes some of the cursed maxims inculcated by those traditionists regarding the proper treatment of all Gentiles. No wonder that the Romans charged the Jews with hatred of the human race.