Isaiah 52:4

Sovereign Yahweh further declared that the Israelites had gone down to Egypt of their own volition in the days of Jacob. Later the Assyrians had taken them captive against their will. These earliest and most recent oppressions represented all of them that Israel had undergone. The implication is that since God can freely liberate (Isaiah 52:3), He could redeem His people from enemy-imposed captivity as easily as He could redeem them from self-imposed captivity.