Contradiction with Proverbs 24:17
Encourages not to rejoice when your enemy falls, contrasting with the triumph of the righteous in Psalms 64:10.
Proverbs 24:17: Rejoice not when thine enemy falleth, and let not thine heart be glad when he stumbleth:
Contradiction with Proverbs 25:21-22
Advises kindness to enemies, which contrasts the rejoicing over their downfall in Psalms 64:10.
Proverbs 25:21-22: If thine enemy be hungry, give him bread to eat; and if he be thirsty, give him water to drink:
Contradiction with Matthew 5:44
Teaches to love and pray for enemies, rather than rejoicing over them as suggested in Psalms 64:10.
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 Romans 12:19
Advises leaving vengeance to God, in contrast to the immediate joy over justice in Psalms 64:10.
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.