I sprang to the stirrup, and Joris, and he;
I galloped, Dirck galloped, we galloped all three;
``Good speed!'' cried the watch, as the gate-bolts undrew;
``Speed!'' echoed the wall to us galloping through;
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I learned this in the third form at high school, and what I remember is the teacher saying, 'The poem has a galloping rhythm'.