From Psalm 23:
The LORD is my shepherd; I shall not want.And from the Gospel of St. Matthew:
In verdant pastures he gives me repose;
Beside restful waters he leads me;
he refreshes my soul.
And so I say to you, you are Peter,In honor of Pope Benedict, I have added this video when he met with the priests from the Diocese of Rome in which, given the special circumstances, the invocation "Tu es Petrus" was sung.
and upon this rock I will build my Church,
and the gates of the netherworld shall not prevail against it.
I will give you the keys to the Kingdom of heaven.
Whatever you bind on earth shall be bound in heaven;
and whatever you loose on earth shall be loosed in heaven. [Emphasis added]