Contradiction with Matthew 5:39
Nehemiah 4:13 speaks of arming and defending, while Matthew 5:39 advises to "turn the other cheek," which suggests not resisting an evil person.
Matthew 5:39: But I say unto you, That ye resist not evil: but whosoever shall smite thee on thy right cheek, turn to him the other also.
Contradiction with Romans 12:19
Nehemiah 4:13 involves preparing for defense, whereas Romans 12:19 emphasizes leaving vengeance to God rather than taking action ourselves.
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 25:21-22
Nehemiah 4:13 speaks of preparation for defense against enemies, while Proverbs 25:21-22 advises feeding and giving drink to your enemy, suggesting a peaceful approach.
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 Isaiah 2:4
Nehemiah 4:13 involves preparing for conflict, yet Isaiah 2:4 envisions a time of beating swords into plowshares, symbolizing a transition from war to peace.
Isaiah 2:4: And he shall judge among the nations, and shall rebuke many people: and they shall beat their swords into plowshares, and their spears into pruninghooks: nation shall not lift up sword against nation, neither shall they learn war any more. [pruninghooks: or, scythes]
Contradiction with 1 Peter 3:9
Nehemiah 4:13 entails preparation to meet opposition, but 1 Peter 3:9 calls for not repaying evil with evil or insult with insult, but with blessings.
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.