Contradiction with Exodus 20:13
Joshua 6:20 leads to the destruction and death of inhabitants, contradicting the commandment "Thou shalt not kill."
Exodus 20:13: Thou shalt not kill.
Contradiction with Matthew 5:44
Joshua 6:20 involves attacking enemies, while this verse instructs to "love your enemies."
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 12:17
Joshua 6:20 depicts avenging an enemy, while this verse advises not to "Recompense to no man evil for evil."
Romans 12:17: Recompense to no man evil for evil. Provide things honest in the sight of all men.
Contradiction with Isaiah 2:4
Joshua 6:20 involves warfare, whereas this verse speaks of turning swords into plowshares and not learning war anymore.
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 Matthew 26:52
Joshua 6:20 involves taking up arms for war, while this verse warns that "all they that take the sword shall perish with the sword."
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 Luke 6:27
Joshua 6:20 includes actions against enemies, whereas this verse endorses doing good to those who hate you.
Luke 6:27: But I say unto you which hear, Love your enemies, do good to them which hate you,
Paradox #1
The idea that simply shouting and blowing trumpets could bring down the walls of a fortified city contradicts principles of physics and engineering, as such a method lacks the necessary force to cause structural collapse.
Paradox #2
The contradiction in Joshua 6:20 could be seen as the acceptance and execution of violence to achieve divine goals. The Bible often promotes messages of peace and love, but this verse involves destruction as a means to fulfill God's promise. This might seem inconsistent to some readers who are concerned about the morality of using violence for achieving purposes that are considered righteous.