One of the verses in O Come, O Come, Emmanuel finds its inspiration in Isaiah 9:2 and Revelation 22:16. It goes like this: O come, Thou Dayspring, come and cheerOur spirits by Thine advent hereDisperse the gloomy clouds of nightAnd death’s dark shadows put to flight Rejoice! Rejoice! Emmanuel, Shall come to thee, O Israel. In Isaiah 9:7, we read …