Contradiction with Matthew 5:44
Acts 21:27 describes a violent reaction against Paul, while Matthew 5:44 teaches to love your enemies and pray for those who persecute you, which contradicts the actions seen in Acts.
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 12:18
Acts 21:27 shows a lack of peace as Paul is seized, while Romans 12:18 advises living peaceably with all, contradicting the aggressive incident in Acts.
Romans 12:18: If it be possible, as much as lieth in you, live peaceably with all men.
Contradiction with Galatians 5:14
Acts 21:27 illustrates a hostile gathering against Paul, which contradicts Galatians 5:14 that emphasizes loving one's neighbor as fulfilling the law.
Galatians 5:14: For all the law is fulfilled in one word, [even] in this; Thou shalt love thy neighbour as thyself.
Contradiction with 1 Peter 3:9
The hostile encounter in Acts 21:27 conflicts with 1 Peter 3:9, which instructs not to repay evil with evil or insult with insult.
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 15:1
Acts 21:27's violent outbreak contradicts Proverbs 15:1, which notes that a gentle answer turns away wrath but a harsh word stirs up anger.
Proverbs 15:1: A soft answer turneth away wrath: but grievous words stir up anger.