You must not confuse the pause for emphasis with the natural pauses that come through taking breath and phrasing. For example, note the pauses indicated in this selection from Byron:
But _hush!_--_hark!_--that deep sound breaks in once more, And _nearer!_--_clearer!_--_deadlier_ than before._Arm_, ARM!--it is--it is the cannon's opening roar!
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