From the Easter Exultet:
This is the night,
when once you led our forebears, Israel’s children,
from slavery in Egypt
and made them pass dry-shod through the Red Sea.
This is the night
that with a pillar of fire
banished the darkness of sin.
This is the night
that even now, throughout the world,
sets Christian believers apart from worldly vices
and from the gloom of sin,
leading them to grace
and joining them to his holy ones.
This is the night,
when Christ broke the prison-bars of death
and rose victorious from the underworld.
Our birth would have been no gain,
had we not been redeemed.
O wonder of your humble care for us!
O love, O charity beyond all telling,
to ransom a slave you gave away your Son!
O truly necessary sin of Adam,
destroyed completely by the Death of Christ!
O happy fault
that earned so great, so glorious a Redeemer!
O truly blessed night,
worthy alone to know the time and hour
when Christ rose from the underworld!
This is the night
of which it is written:
The night shall be as bright as day,
dazzling is the night for me,
and full of gladness.