Isaiah 29:5 in the King James Version
Moreover the multitude of thy strangers shall be like small dust, and the multitude of the terrible ones shall be as chaff that passeth away: yea, it shall be at an instant suddenly.
Context
4 You 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.
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.
6 She 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.