Contradiction with Matthew 26:52
This verse suggests putting away the sword and avoiding violence, while Acts 21:31 describes a violent attempt to kill Paul.
Matthew 26:52: Thinkest thou that I cannot now pray to my Father, and he shall presently give me more than twelve legions of angels?
Contradiction with Romans 12:18
This verse advocates living peaceably with all men, which contradicts the intent to kill Paul in Acts 21:31.
Romans 12:18: If it be possible, as much as lieth in you, live peaceably with all men.
Contradiction with Exodus 20:13
This commandment is against killing, in contrast to the violent intentions described in Acts 21:31.
Exodus 20:13: Thou shalt not kill.
Contradiction with James 3:17
This verse describes wisdom as pure and peaceable, which conflicts with the hostile situation in Acts 21:31.
James 3:17: But the wisdom that is from above is first pure, then peaceable, gentle, [and] easy to be intreated, full of mercy and good fruits, without partiality, and without hypocrisy. [partiality: or, wrangling]
Contradiction with Proverbs 15:1
This verse promotes a soft answer to turn away wrath, opposing the angry actions in Acts 21:31.
Proverbs 15:1: A soft answer turneth away wrath: but grievous words stir up anger.
Contradiction with 1 John 3:15
This verse equates hatred to murder, contradicting the murderous desire in Acts 21:31.
1 John 3:15: Whosoever hateth his brother is a murderer: and ye know that no murderer hath eternal life abiding in him.
Contradiction with Matthew 5:9
This verse calls for peacemakers, which contrasts with the turmoil in Acts 21:31.
Matthew 5:9: Blessed [are] the peacemakers: for they shall be called the children of God.
Contradiction with Proverbs 3:31
This verse advises not to envy oppressors or choose violent ways, in contrast to the violence in Acts 21:31.
Proverbs 3:31: Envy thou not the oppressor, and choose none of his ways. [the oppressor: Heb. a man of violence]