May the grace of the Lord + Jesus sanctify us
and keep us from all evil.
May Christ drive far from us all hurtful things,
and purify both our souls and bodies.
May Christ bind us to himself by the bond of love,
and may his peace abound in our hearts.
Original Source: Gregorian Sacramentary
Also found here: http://www.jacobswell.org.uk/pdf/CelticHealing.pdf