The Father eternal bless you with his continual blessing.
God, the + Son of God, bless and help you.
May the grace of the Holy Spirit illumine your hearts and your bodies.
Source: Modified from The Psalter or Seven Ordinary Hours of Prayer according to the Use of the Illustrious and Excellent Church of Sarum, Westminster 1852, p. 12
The blessing can be read as “bless you” or “bless us” as needed.
Graphic: Model of Old Sarum (Salisbury) Cathedral, Wikipedia.com