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: Modified from A Lutheran Prayer Book, ed. Doberstein, © 1960 Muhlenberg Press, Philadelphia PA
Also found in Prayers Ancient and Modern by Mary Wilder Tileston, Boston, Little Brown, 1914, p. 136 #1
Also found in Ancient Collects, and Other Prayers, ed. William Bright, 1902, p. 82 #4
Also found here: https://sojo.net/articles/prayer-day-everlasting-peace