Lighten our darkness,
Lord, we pray;
and in your mercy
defend us from all perils and dangers of this night;
for the love of your only Son,
our Savior Jesus Christ. Amen.
Source: Gelasian Sacramentary
Source of this version: Eerdman’s Book of Famous Prayers © 1983
found also here: https://www.churchofengland.org/prayer-worship/worship/texts/daily2/night/variations.aspx
and in The Lutheran Hymnal, p. 107 #47
Also found here: Prayers Ancient and Modern by Mary Wilder Tileston, Boston, Little Brown, 1914, p. 341 #2
Graphic, Gelasian Sacramentary, from Wikipedia.com
A Collection of Prayers 
