Pope John XXIII
Pacem in Terris §58
Pacem in Terris: On Establishing Universal Peace in Truth, Justice, Charity, and Liberty
58 These principles are clearly contained in that passage in Our encyclical Mater et Magistra where We emphasized that the common good "must take account of all those social conditions which favor the full development of human personality.(43)
Source: Pacem in Terris (Vatican.va)