Intermarrying with pagan nations often lead to the downfall of God’s people. Some may question why God would require families to separate, but even Solomon, the wisest man who ever lived, was lured away from God by his many wives to worship worthless idols (see 1 Kings 11:1–8 and Neh.13:26 for details). God wants His people to be faithful to Him and not be enticed to commit spiritual adultery. James 4:4 warns us, “Adulterers and adulteresses! Do you not know that friendship with the world is enmity with God? Whoever therefore wants to be a friend of the world makes himself an enemy of God.”
Ezra 10:10 Then Ezra the priest stood up and said to them, “You have transgressed and have taken pagan wives, adding to the guilt of Israel.