Isaiah 29:5
But the multitude of your foes will be like fine dust, and the multitude of the ruthless ones like chaff that blows away. Yes, it will be in an instant, suddenly.
World English Bible (Public Domain)
In context
Before · Isaiah 29:3–4
3I will encamp against you all around you, and will lay siege against you with posted troops. I will raise siege works against you. 4You will be brought down, and will speak out of the ground. Your speech will mumble out of the dust. Your voice will be as of one who has a familiar spirit, out of the ground, and your speech will whisper out of the dust.
5But the multitude of your foes will be like fine dust, and the multitude of the ruthless ones like chaff that blows away. Yes, it will be in an instant, suddenly.
After · Isaiah 29:6–7
6She will be visited by the LORD of Armies with thunder, with earthquake, with great noise, with whirlwind and storm, and with the flame of a devouring fire. 7The multitude of all the nations that fight against Ariel, even all who fight against her and her stronghold, and who distress her, will be like a dream, a vision of the night.