The MacManus Family prayer, commonly recited before killing

"And shepherds we shall be.
For Thee, my Lord, for Thee.
Power hath descended forth from Thy hand.
That our feet may swiftly carry out Thy command.
So we shall flow a river forth to Thee.
And Teeming with souls shall it ever be.
In Nomine Patris, et Filii, et Spiritus Sancti.