Love your enemies

Matt 5:43 Ye have heard that it hath been said [1], Thou shalt love thy neighbour, and hate thine enemy.

Matt 5:44 But I say unto you, Love your enemies, bless them that curse you, do good to them that hate you, and pray for them which despitefully use you, and persecute you; Luke 6:27 But I say unto you which hear, Love your enemies, do good to them which hate you, 28 Bless them that curse you, and pray for them which despitefully use you.

Matt 5:45 That ye may be the children of your Father which is in heaven [2]: for he maketh his sun to rise on the evil and on the good, and sendeth rain on the just and on the unjust.

Matt 5:46 For if ye love them which love you, what reward have ye? do not even the publicans the same? 47 And if ye salute your brethren only, what do ye more than others? do not even the publicans so? Luke 6:32 For if ye love them which love you, what thank have ye? for sinners also love those that love them. 33 And if ye do good to them which do good to you, what thank have ye? for sinners also do even the same. 34 And if ye lend to them of whom ye hope to receive, what thank have ye? for sinners also lend to sinners, to receive as much again.
Matt 5:48 Be ye therefore perfect, even as your Father which is in heaven is perfect. Luke 6:35 But love ye your enemies, and do good, and lend, hoping for nothing again; and your reward shall be great, and ye shall be the children of the Highest: for he is kind unto the unthankful and to the evil.

[1]Although this sounds like a reference to scripture, there is no such reference in the old testament.

[2]Jesus uses the phrase "Father which is in heaven" (and slight variations) 15 times in Matthew (5:16, 5:45, 5:48, 6:1, 6:9, 7:11, 7:21, 10:32, 10:33, 12:50, 16:17, 18:10, 18:14, 18:19, 23:9), three times in Mark (11:25, 11:26, and 13:32 which parallels Matthew 24:36), once in Luke (11:2 which parallels Matthew 6:9), and not at all in John.