The phrase "city against city" is a biblical motif that appears in various contexts throughout the Scriptures, often symbolizing conflict, division, and the consequences of divine judgment. This theme is particularly evident in prophetic literature, where it serves as a metaphor for the chaos and strife that result from turning away from God's commandments.

Isaiah 19:2
One of the most direct references to "city against city" is found in Isaiah 19:2, where the prophet Isaiah delivers an oracle concerning Egypt: "So I will incite Egyptian against Egyptian; brother will fight against brother, neighbor against neighbor, city against city, kingdom against kingdom." This passage highlights the internal discord that God would bring upon Egypt as a form of judgment. The imagery of civil strife underscores the breakdown of societal order when a nation is estranged from divine guidance.

Historical Context
In the ancient Near East, cities were often independent entities or city-states, each with its own governance and military. Conflicts between cities were not uncommon, as they vied for resources, trade routes, and territorial expansion. The biblical use of "city against city" taps into this historical reality, using it as a symbol of broader spiritual and moral decay.

Spiritual Implications
From a theological perspective, the division of "city against city" serves as a warning against the consequences of sin and rebellion against God. It reflects the idea that societal harmony is contingent upon adherence to divine law. When a community or nation turns away from God, internal strife and conflict are often the result, as seen in the prophetic warnings throughout the Old Testament.

New Testament Parallels
While the exact phrase "city against city" is not found in the New Testament, the concept of division and conflict is echoed in Jesus' teachings. In Matthew 12:25, Jesus states, "Every kingdom divided against itself will be laid waste, and every city or household divided against itself will not stand." This teaching reinforces the idea that unity and peace are rooted in alignment with God's will.

Application for Believers
For contemporary believers, the theme of "city against city" serves as a reminder of the importance of unity within the body of Christ and the broader community. It calls Christians to seek peace, reconciliation, and adherence to biblical principles to prevent division and strife. The motif encourages believers to be vigilant against the forces that seek to divide and to strive for harmony grounded in faith.

In summary, "city against city" is a powerful biblical image that conveys the destructive nature of division and the necessity of divine order for societal stability. It serves as both a historical reflection and a spiritual lesson for believers throughout the ages.