you sink as the tide sinks, you shrill under hail, and sound thunder when thunder sounds. [5] You are useless— when the tides swirl your boulders cut and wreck the staggering ships. II You are useless, O grave, O beautiful, the landsmen tell it—I have heard— you are useless. And the wind sounds with this and the sea where rollers shot with blue cut under deeper blue. O but stay tender, enchanted where wave-lengths cut you apart from all the rest—