Who is this that cries from the ends of the earth? Who is this one man who reaches to the extremities of the universe? He is one, but that one is unity. He is one, not one in a single place, but the cry of this one man comes from the remotest ends of the earth. But how can this one man cry out from the ends of the earth, unless he be one in all?

p.423 - On the Mystical Body of Christ