Pope John XXIII
Pacem in Terris §10
Pacem in Terris: On Establishing Universal Peace in Truth, Justice, Charity, and Liberty
10 When, furthermore, we consider man's personal dignity from the standpoint of divine revelation, inevitably our estimate of it is incomparably increased. Men have been ransomed by the blood of Jesus Christ. Grace has made them sons and friends of God, and heirs to eternal glory.
Source: Pacem in Terris (Vatican.va)