O God, you are peace eternal.
Your gift is peace.
You have taught us
that your children will be called peacemakers.
Pour out your peace into our souls
that all discord may vanish away,
and that we may forever love and seek
the things that bring your peace;
through Jesus Christ our Lord.
Source of this version: Ancient Collects, and Other Prayers, ed. William Bright, 1902, p. 82 #4, also in Prayers of the Middle Ages, edited by J. Manning Potts, 1953.