'Chaff' in the Bible

His winnowing-shovel is in His hand, and He will make a thorough clearance of His threshing-floor, gathering His wheat into the storehouse, but burning up the chaff in unquenchable fire."

His winnowing-shovel is in His hand to clear out His threshing-floor, and to gather the wheat into His storehouse; but the chaff He will burn up in fire unquenchable."