Unquenchable burn up the chaff with unquenchable fire, Matt. 3:12 (Luke 3:17). lake of fire and brimstone, whose flames are unquenchable, Jacob 6:10 (Mosiah 3:27). guilt … like an unquenchable fire, Mosiah 2:38. tree that bringeth not forth good fruit … cast into … an unquenchable fire, Alma 5:52. it will kindle a flame of unquenchable fire, Morm. 9:5. wicked shall go away into unquenchable fire, D&C 43:33. Lord … consume the wicked with unquenchable fire, D&C 63:34 (63:54). tares shall be … burned with unquenchable fire, D&C 101:66.