Its very pulse, if I may use the word, was like no other...

Its very pulse, if I may use the word, was like no other clock. It did not mark the flight of every moment with a gentle second stroke, as though it would check old Time, and have him stay his pace in pity, but measured it with one sledge-hammer beat, as if its business were to crush the seconds as they came trooping on, and remorselessly to clear a path before the Day of Judgment.