Judges 9:23-57 recounts Abimelech's civil war — a divided kingdom destroying itself, illustrating this principle.

2 Samuel 20:1 records Sheba's rebellion — a direct threat dividing Israel from David, exemplifying a divided kingdom.

1 Kings 12:16-20 describes the actual split of Israel into two kingdoms — a direct case of a divided kingdom falling apart.

In Isaiah 9:21, Manasseh and Ephraim devour each other — a direct example of tribal division that confirms Jesus' principle.

In Isaiah 19:2, God stirs Egyptians against each other — brother against brother — exactly the kind of internal strife Jesus warns leads to collapse.

In Ezekiel 37:22, God promises to reunite the divided kingdom — the opposite of Jesus' warning, showing that unity is God's goal.

In Zechariah 11:14, the prophet breaks the staff Unity, symbolizing division between Judah and Israel — a direct parallel to Jesus' statement.

In John 17:21, Jesus prays for believers' unity — the positive counterpart to his warning that division cannot stand.

In 1 Corinthians 1:10-13, Paul rebukes factions in the church — a direct NT application of Jesus' principle that division destroys.

In Ephesians 4:3-6, Paul urges maintaining unity — the positive antidote to the division Jesus says will cause a kingdom to fall.

Judges 12:1-6 shows the Ephraimite conflict with Jephthah — internal division among God's people leading to destruction.

2 Samuel 20:6 shows David's fear that Sheba's rebellion will cause further division — reinforcing the danger of a divided kingdom.