Contradiction with Matthew 5:44
Contradicts Psalms 89:23 by instructing to love enemies and bless those that curse you, whereas Psalms 89:23 speaks of beating down adversaries.
Matthew 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;
Contradiction with Luke 6:27
Advises to love your enemies and do good to those who hate you, opposing the idea of defeating adversaries in Psalms 89:23.
Luke 6:27: But I say unto you which hear, Love your enemies, do good to them which hate you,
Contradiction with Romans 12:14
Encourages blessing those who persecute, differing from the destruction of foes stated in Psalms 89:23.
Romans 12:14: Bless them which persecute you: bless, and curse not.
Contradiction with Romans 12:19
Urges not to avenge yourselves but leave it to God's wrath, contrasting with actively overcoming adversaries in Psalms 89:23.
Romans 12:19: Dearly beloved, avenge not yourselves, but [rather] give place unto wrath: for it is written, Vengeance [is] mine; I will repay, saith the Lord.
Contradiction with Proverbs 25:21
Suggests feeding your enemy if he is hungry, contrasting the active opposition to enemies in Psalms 89:23.
Proverbs 25:21: If thine enemy be hungry, give him bread to eat; and if he be thirsty, give him water to drink: