Contradiction with Matthew 5:44
Psalms 35:24 calls for God's judgment against adversaries, while Matthew 5:44 instructs to love enemies and pray for persecutors.
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
Psalms 35:24 seeks personal vindication, whereas Romans 12:19 advises leaving vengeance to God.
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 24:17
Psalms 35:24 implies triumph over enemies, contrary to Proverbs 24:17, which warns against rejoicing at an enemy's downfall.
Proverbs 24:17: Rejoice not when thine enemy falleth, and let not thine heart be glad when he stumbleth:
Contradiction with Luke 6:28
Psalms 35:24 seeks justice against adversaries, but Luke 6:28 teaches to bless those who curse you.
Luke 6:28: Bless them that curse you, and pray for them which despitefully use you.
Contradiction with 1 Peter 3:9
Contrast to Psalms 35:24's plea for vindication, 1 Peter 3:9 urges not to repay evil with evil but with blessing.
1 Peter 3:9: Not rendering evil for evil, or railing for railing: but contrariwise blessing; knowing that ye are thereunto called, that ye should inherit a blessing.
Contradiction with Proverbs 25:21-22
Psalms 35:24 seeks judgment, whereas Proverbs 25:21-22 encourages kindness to an enemy, resulting in coals of fire on their head.
Proverbs 25:21-22: If thine enemy be hungry, give him bread to eat; and if he be thirsty, give him water to drink: