The captive had broken off the stalagmite, and upon the stump had placed a stone, wherein he had scooped a shallow hollow to catch the precious drop that fell once in every three minutes with the dreary regularity of a clock-tick⁠—a dessertspoonful once in four and twenty hours. That drop was falling when the Pyramids were new; when Troy fell; when the foundations of Rome were laid; when Christ was crucified; when the Conqueror created the British empire; when Columbus sailed; when the massacre at Lexington was “news.”