JMNT(i)
19 He will neither proceed to quarrel (strive; debate; be contentious) nor will He continue shouting (screaming or making outcry; causing clamoring; behaving loud-mouthed), nor yet will anyone continue hearing His voice [above the ambient noises] in the town squares or broad streets.
20 He will not proceed to break down a reed that has been bruised (or: break in pieces a reed that has been crushed), and He will not proceed to extinguish a flax lamp-wick that is continuing in being wrapped in smoke and made to smolder – until He can thrust-forth [the] separation-derived decision into a victory (or: cast-out judging – unto victory)!