Via the always interesting Vanderleun:
O Come, O come, Emmanuel,
and ransom captive Israel,
that mourns in lonely exile here
until the Son of God appear.
Emmanuel shall come to thee, O Israel!
O come, Thou Wisdom, from on high,
and order all things far and nigh;
to us the path of knowledge show,
and teach us in her ways to go.
O come, o come, Thou Lord of might,
who to thy tribes on Sinai's height
in ancient times did give the law,
in cloud, and majesty, and awe.
O come, Thou Rod of Jesse's stem,
from ev'ry foe deliver them
that trust Thy mighty power to save,
and give them vict'ry o'er the grave.
O come, Thou Key of David, come,
and open wide our heav'nly home,
make safe the way that leads on high,
that we no more have cause to sigh.
O come, Thou Dayspring from on high,
and cheer us by thy drawing nigh;
disperse the gloomy clouds of night
and death's dark shadow put to flight.
O come, Desire of the nations, bind
in one the hearts of all mankind;
bid every strife and quarrel cease
and fill the world with heaven's peace.