"To gather into one the dispersed children of God"
It is written that: “We, though many, are one body in Christ and individually parts of one another” (Rom 12,5), for Christ gathers us into a unity by bonds of love: “He made both one and broke down the dividing wall of enmity... abolishing the law with its commandments and legal claims that he might create in himself one new person in place of two” (Eph 2,14-15). Therefore we ought to have the same feelings towards each other: “If one part suffers, all the parts suffer with it; if one part is honoured, all the parts share its joy” (1Cor 12,26). Hence, as Saint Paul again says: “Welcome one another as Christ welcomed you, for the glory of God” (Rom 15,7). Let us welcome each other if we would share these same feelings. “Let us bear one another's burdens; striving to preserve unity of Spirit through the bond of peace” (Eph 4,2-3). This is how God has welcomed us in Christ. For that man spoke truly when he said: “God so loved the world that he gave us his only Son” (Jn 3,16). For indeed the Son was given as a ransom for the lives of all of us and we have been liberated from death, set free from death and sin.
Saint Paul illuminates the outline of this plan of salvation when he says that: “Christ became a minister of the circumcised to show God's truthfulness” (Rom 15,8). For God had promised the patriarchs, fathers to the Jews, that he would bless their descendants, who would also become as numerous as the stars of heaven. And this is the reason why the Word, who is God, was manifested in the flesh and became man. He upholds all creation in being and maintains the well-being of all that exists because he is God. But he came into this world when he became incarnate “not to be served” but, as he himself said: “to serve and to give his life as a ransom for many” (Mk 10,45).