Now it was to Abraham that the promises were made, 'and to his offspring.' It was not said 'to his offsprings,' as if many persons were meant, but the words were 'to thy offspring,' showing that one person was meant--and that was Christ.
And he is the Head of the Church, which is his Body. The First-born from the dead, he is to the Church the Source of its Life, that he, in all things, may stand first.
Now at last I can rejoice in my sufferings on your behalf, and in my own person I supplement the afflictions endured by the Christ, for the sake of his Body, the Church;
He fails to maintain union with the Head, to whom it is due that the whole body, nourished and knit together by the contact and Keynesian of every part, grows with a divine growth.
Let the Peace that the Christ gives decide all doubts within your hearts; for you also were called to the enjoyment of peace as members of one Body. And show yourselves thankful.