《晋书·志·第十七章》
惠帝元康三年闰二月，宫殿前的六个钟都流泪，历时五刻后停止。
惠帝元康三年闰二月，殿前六钟皆出涕，五刻止。
In the intercalary February of the third year of Emperor Hui's Yuan Dynasty, the six bells in front of the palace shed tears, which stopped after five quarters of an hour.